20、

----- Let’s go to a movie after work, OK?

 ----- ________.

A. Not at all   B. Why not?   C. Never mind   D. What of it?

19、 What shall we use for power when all the oil in the world has _____ ?

A. given out   B. put out   C. held up   D. used up

18、----- ______ that he managed to get the information?

----- Oh, a friend of his helped him.

A. Where was it   B. What was it   C. How was it    D. Why was it

17、He was educated at a local grammar school, ______ he went on to Cambridge.

A. from which   B. after that   C. after which   D. from this

16、Modern plastics can ____ very high and very low temperatures.

A. stand   B. hold   C. carry   D. support

15、Mr. Smith owns ____ collection of coins than anyone else I have ever met.

A. larger   B. a larger   C. the largest   D. a large

14、Oil prices have risen by 32 percent since the start of the year, _____ a record US$57,65 a barrel on April 4.

A. have reached   B. reaching   C. to reach   D. to be reaching

13、The shopkeeper did not want to sell for _____ he thought was not enough.

A. where      B. how      C. what      D. which

12、With more forests being destroyed, huge quantities of good earth ____ each year.

A. is washing away          B. is being washed away 

C. are washing away         D. are being washed away

11、It was some time _______ we realized the truth.

A. when      B. until      C. since      D. before