(2013·高考天津卷)The water supply has been cut off temporarily because the workers ________ one of the main pipes.
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A
had repaired
B
have repaired
C
repaired
D
are repairing
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It’s reported that by the end of this week the stock exchange________ by about 10%. 
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A
will have risen
B
has risen
C
will be rising
D
has been rising
Please tell me _____ tomorrow morning.
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A
what are you doing
B
what you are doing
C
what you will be doing
D
what will you be doing