Miss Lin ______ a lot of work for the poor area for about 10 years.
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A
does
B
did
C
has done
D
will do
推荐题目
 Tom ________ a letter from Terry for a long time.
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A
didn’t receive
B
hasn’t got
C
didn’t have
D
hasn’t heard
The students ______ not to talk loudly in the reading-room.
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A
have told
B
are told
C
will tell
D
are telling
He ______ a chance to try it again just now.
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A
gave
B
will give
C
is given
D
was given