22. -Must I turn off the gas after cooking?

-Of course. You can never be　 　　　　　 　careful with that.

A. enough 　　　　　　　 B. too 　　　　　　　　　　 C. so 　　　　　　　　　　 D. very

21.　 Mr. Smith owns ________ collection of coins than anyone else I have ever met.

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

20. Although she did not know Boston well, she made her way __　　 　to the Home Circle Building.

A. easy enough　　 B. enough easy　 C. easily enough　　 D. enough easily

19.　 What a table! I’ve never seen such a thing before .It is________　it is long.

A．half not as wide as　　　　　　　　　　　　　　　 B．wide not as half as

C．not half as wide as　　　　　　　　　　　　　　　 D．as wide as not half

18. Green products are becoming more and more popular because they are environmentally ________.

A. friendly　　　 B. various'　　　　 C. common　　　 　D. changeable

17.　 David has won the first prize in singing; he is still very excited now and feels ________ desire to go to bed.

A．the most　　　　　　　 B．more　　　　　　　　　 C．worse　　　　　　　　 D．the least

16. I'm certain David's told you his business troubles. ______, it's no secret that he owes a lot of money to the bank.

A. However　　　 B. Anyway　　 　　　 C. Therefore　　　 　　　 D. Though

15.　 Although my grandfather is in his eighties, he is still as ________ as a young man and hates sitting around doing nothing all day.

A. enthusiastic　　　　　 B. intelligent　　　　　　　 C. energetic　　　　　　　　 D. sensitive

14. It’s hard for him playing against me. I’ve got nothing to play for, but for him, he needs to win so ________.

A. far　 　　　　　B. well　 　　　　C. little 　　　　　D. badly

13.　 -John is very 　　　　　 .

-if he promises to do something he’ll do it.

A. independent B. confident C. reliable　 D. flexible