20.-Why you didn't handed in your exercise paper?
-Sorry,but I ____ that it should be turned in today.( )
-Sorry,but I ____ that it should be turned in today.( )
A. | didn't know | B. | hadn't known | C. | haven't known | D. | don't know |
19.These are the words ____ you must attach great importance when you write the essay.( )
A. | in which | B. | to which | C. | which | D. | that |
16.Dean refused to join in the game,________ we all did our best to persuade him.( )
A. | even though | B. | only if | C. | in case | D. | now that |
15.Is this university the one you visited the modern laboratories last year?( )
A. | which | B. | as | C. | that | D. | where |
14.With the development of e-commerce in China,delivery companies into close contact with people and families.( )
A. | get | B. | have got | C. | are getting | D. | will get |
13.There is no possibility Mary can win the first prize in the English Speech Contest.( )
A. | that | B. | what | C. | whether | D. | if |
12._______ you go,_______ you should keep in mind is that you are a Chinese.( )
A. | Wherever,what | B. | wherever,whatever | ||
C. | Where,whatever | D. | Where,what |
11.You will find it hard to get rid of a bad habit you pick it up.( )
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A. | before | B. | though | C. | as | D. | once |