Câu 20:The time for the class discussion was short.______, we gained some knowledge from it.

A.Besides

B.However

C.Therefore

D.Moreover

Câu 21: Peer pressure can have positive and negative ______ on teenagers.

A.attacks

B.bans

C.lifts

D.effect

Câu22:As teenagers become more independent, their peers _______ play a greater role in their life.

A.naturalize

B.naturally

C.nature

D.natural

Câu 23:Hashtags is regarded as a wonderful tool in increasing the public ______ and collecting information about social issues.

A.attention

B.interest

C.awareness

D.concern

Mark the letter A, B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.

Câu 24:Teenagers may be ashamed of the parents who are too poor, too conventional, too different from friends' parents.

A.proud

B.tired

C.jealous

D.afraid

Câu 25:Being the target of bullying online is not easy to deal with, and determination was Tim’s motivation to stand up to the bully.

A.challenge

B.oppose

C.avoid

D.resist