A conducted
B filled
C carried
D commented
A beneficial
B worthy
C valuable
D costly
A requisite
B demand
C request
D claim
A the most crowded the beaches get
B the most the beaches get crowded
C the more the beaches get crowded
D the more crowded the beaches get
A take over
B catch on
C hold on
D stand for
A decide
B decisive
C decisively
D decision
A research
B invention
C occurrence
D display
A old Japanese black
B Japanese old black
C old black Japanese
D black old Japanese
A an
B Ø
C a
D the
A needn't
B oughtn't
C mightn't
D mustn't
A outgoing
B mischievous
C shy
D caring
A given a lift
B treated with sincerity
C deceived deliberately
D driven away
A assistance
B experience
C understanding
D confidence
A simple
B easy
C interesting
D hard
A Congratulations!
B It's my pleasure.
C Better luck next time!
D It's very kind of you.
A I'm leaving now
B Fine, thank you
C I'm thirty years old
D I'm going home
A to use
B punishment
C dealing with
D at school
A ask
B when
C has
D homework
A have
B that
C it
D wind
A Sally apologized for not going to work at the weekend.
B Sally refused to go to work at the weekend.
C Sally promised to go to work at the weekend.
D Sally regretted not going to work at the weekend.
A Without our seat belts, we could have survived that accident.
B Had we not been wearing our seat belts, we wouldn't have survived that accident.
C If we weren't wearing our seat belts, we couldn't have survived that accident.
D But for our seat belts, we would have survived that accident.
A I have met my grandparents for five years.
B I often met my grandparents five years ago.
C I didn't meet my grandparents five years ago.
D I last met my grandparents five years ago.
A Some kinds of fish live in fresh water, for others live in sea water.
B Some kinds of fish live in fresh water, and others live in sea water.
C Some kinds of fish live in fresh water, or others live in sea water.
D Some kinds of fish live in fresh water, so others live in sea water.
A My mother is too busy with her work at the office to take good care of us.
B Because my mother is very busy with her work at the office, she takes good care of us.
C In spite of being very busy with her work at the office, my mother takes good care of us.
D My mother is so busy with her work at the office that she cannot take good care of us.
A Traditions concerning children's lost teeth
B Customs concerning children's new teeth
C Animals eating children's lost teeth
D Presents for young children's lost teeth
A In Mexico and Spain
B In Japan and Vietnam
C In Mongolia
D In Korea
A they hope that their child will get some gifts for his or her tooth
B they know that dogs are very responsible animals
C they believe that this will make their child's new tooth good and strong
D they think dogs like eating children's teeth
A countries
B families
C beginnings
D stories
A Lost teeth are traditionally given to an angel or fairy.
B Children put their lost teeth under their pillows.
C Children hope to get money or gifts from the Tooth Fairy.
D Children give money to the Tooth Fairy.
A long before bedtime
B early in the evening
C soon after midnight
D late in the morning
A The importance of living organisms
B Causes of animal extinction
C Measures to protect endangered species
D Humans and endangered species
A unrecognizable
B unavoidable
C unimportant
D unexpected
A The connections among the creatures in the food chain become closer.
B There might be a lack of food resources for some other species.
C Animals will shift to another food chain in the community.
D Larger predators will look for other types of prey.
A human-related effects
B some species
C natural obstacles
D low birthrates
A an achievement of human beings
B a kind of useful plants
C a kind of harmless animals
D a harmful factor to the environment
A develop
B complete
C disappear
D remain
A The existence of humans is at the expense of some other species.
B Some animals and plants cannot survive without human help.
C Humans have difficult choices to make about saving endangered species.
D No other species can threaten the survival of humans on Earth.
A Saving popular animal and plant species should be given a high priority.
B The dilemma humans face between maintaining their lives and saving other species remains.
C Humans will make changes in their lifestyles to save other species.
D Animal and plant species which pose threats to humans will die out soon.
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