(2013·河北普通高中高三质量监测)Lucy has changed a lot since she got her new job. Recently she ________ her work quite well.
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A
has been doing
B
has done
C
did
D
had done
推荐题目
Drivers must stop when the traffic lights _____ red.
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A
turn
B
will turn
C
turned
D
were turning
—Where is Mr Smith?—He   in prison for more than two months.
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A
has been
B
has been sent
C
has been thrown
D
has been put
 I________ an important conference at 10 o’clock this Sunday morning.
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A
will have attended
B
will be attending
C
have been attending
D
have attended