16. The temperature here seldom drops ... freezing point.
A) up B) above C) below D) down
17. He isn't serious, is he? He ... be joking!
A) have to B) can C) are to D) must
18. You know what they ... "Variety is the spice of life!"
A) report B) speak C) tell D) say
19. Don't go inside,...?
A) do you B) shall we C) don't you D) will you
20. Anvar asked me, "How much gasoline do we need to buy?"
Anvar asked me how much gasoline ... to buy.
A) We needed B) do we need
C) did they need D) they need
21. How would you react, if your cat suddenly ... to you right now?
A) is started to talk B) started talking
C) had started talking D) starts talking
22. The problem was clear to everybody and the speaker…go into details.
A) didn't have to B) shouldn't
C) couldn't D) might not,
Read the text. Then choose the Correct answer to question 24-26.
A few years ago a shortage of natural gas drove .prices sky high. Likewise, gasoline prices rose when demands exceeded supplies. A glut in the oil market drove prices back down. The law of supply and demand functioned according to textbook description in the case of oil, but the situation is otherwise in the current natural gas market. Natural gas consumers are , finding their heating bills more of a burden < than last year, in spite of a dramatic increase in supplies. There is so much natural gas available that many suppliers are closing down their plants for lack of a market, and it is rumored that some suppliers are even burning off their surplus gas.
23. You can infer that the law of supply and demand means that prices ...
A) rise if supplies are abundant
B) stay even when supplies are abundant
C) fall if supplies are limited
D) rise if supplies are limited
24. You can infer that gas suppliers are burning their surplus gas in order to...
A) create a shortage to sustain high prices
B) lower the prices on their product
C) get rid of an inferior product
D) create a glut in the market
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