What did you buy during your last vacation?   I __________ a hat.
#42531
A
buy
B
buyed
C
bought
D
was buy
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----I’m afraid the meeting has begun.  ----Don’t worry. It _________ until the bell _________.
#37273
A
doesn’t begin; rings
B
won’t begin; will ring
C
won’t begin; rings
D
doesn’t begin; will ring
---Why haven’t you asked her to come here?---She _______ an important experiment when I found her and she _____ it. 
#41859
A
had done; didn’t finish
B
was doing; hasn’t finished
C
did; wouldn’t finish
D
has done; hadn’t finished
By the end of last year, they _______ 2,000 English words.
#36368
A
learned
B
have learned
C
had learned
D
learns