(23-28) Choose the word or phrase that best fits the blank space in the following passage: Are you looking for a cheap, clean, ( 23)___________ source of power that doesn’t cause (24) ________ or waste natural resources? Look no further than solar energy from the sun. At present, most of our electricity comes from the use of coal, gas, oil, or nuclear power. This power could be (25) ___________ by the sun. One percent of the solar energy that reaches the Earth is enough to provide power for the total population. Many countries are already using solar energy. Solar panels are placed on the (26) _________ of a house and the sun’s energy is used to heat water. The energy can be stored for a number of days, ( 27) _________ on cloudy days you can use solar energy too. Sweden has an advanced solar energy program. There, all buildings will be heated by solar energy and cars will use solar power (28) __________ of gas by theyear 2015.. 23/ A. old B. effective C. electric D. easy 24/ A. garbage B. energy C. electricity D. pollution 25/ A. provided B. prevented C. polluted D. reduced 26/ A. floor B. roof C. side D. wall 27/ A. because B. but C. if D. so 28/ A. instead B. except C. addition D. because (29-32) Read the dialogue and then decide whether the statements that follow are true or false. Write True or False in your answersheet: Zamenhof invented new language called Esperanto to improve understanding between people of different countries. He show Esperanto to his frienfs to find out what they thought about it. Later in the same year he went to study at a university in Moscow. He wanted to improve Esperanto. Zamenhof’s friends then worked hard to spread the new language. They tried to persuade schools throughout the world to teach it. However, only a few people today speak Esperanto because more and more people use English as a foreign language. ____ 29/ Esperanto is a new language. ____ 30/ Zamenhof went to Moscow to improve Esperanto. ____ 31/ His friends help him to spread Esperanto. ____ 32/ More and more people use Esperanto today. (33-36) Rewrite the sentences so that they are nearest in meaning to the sentence printed before them. 33/ I think you should apply for that job. If _________________________________________________________________ 34/ Because of her carelessness, Lan broke the glass  Because Lan____________¬¬¬¬¬¬¬¬-_____________________________________________ 35/ BKAV is a program. Its performance is really good.  The program _______________________________________________________ 36/ They stopped going out with each other two years ago. They haven’t ________________________________________________________