—Did you attend the opening ceremony of The Voice of China last week? —Sorry! We ________ it, but we had a terrible traffic accident on our way.
#86431
A
must have attended
B
must attend
C
could have attended
D
could attend
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Often, when he ______ something that ______ him, he wasted his time drawing some little pictures. 
#89280
A
should be doing; gave
B
should have been doing; was given
C
should do; was given
D
should have been doing; had given
  We ______ such great success without your efforts. Thanks a lot.
#87998
A
shouldn’t have accomplished
B
couldn’t have accomplished
C
were unable to accomplished
D
mustn’t have accomplished
 But for the fact that China ____ also affected by the global economic crisis, we ____ fewer unemployed workers now.
#87016
A
is; would have
B
were; would have
C
was; would have had
D
is; would have had
If I had tried my best last term, I ________more progress then.
#89057
A
could make
B
would make
C
must have made
D
could have made