--I don't think we have met before.--Yes, once at a party, but we___________.
#4832
A
weren't introduced
B
didn't introduce
C
haven't introduced
D
were not introducing
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— Did Alice enjoy the concert held in Grand Theater yesterday? — Yes, she did. She _____ such an excellent concert for a long time.
#4602
A
didn’t take part in
B
wouldn’t take part in
C
hasn’t been in
D
hadn’t been in
Rose asked Tom, “Did you see my purse?”  Rose asked Tom ___. 
#4658
A
whether that he had seen her purse
B
whether he had seen her purse
C
that whether he had seen her purse
D
that if he has seen her purse
Upon graduation he asked to be sent to _______________. 
#4993
A
where he is most needed
B
where he needed
C
where he is mostly needed
D
where is he mostly needed