The water supply has been cut off temporarily because the workers________one of the main pipes.                                                     (2013·天津,13)
#99432
A
had repaired
B
have repaired
C
repaired
D
are repairing
推荐题目
My house _____ when you visited Beijing last time, so I didn’t invite you to my home. 
#101211
A
was being decorated
B
is being decorated
C
has been decorated
D
was decorated
If Newton lived today,he would be surprised by what_____in science and technology.
#104075
A
had discovered
B
had been discovered
C
has discovered
D
has been discovered
Her car has been very dirty. She has got to _______.
#101386
A
get washed
B
wash
C
get washed it
D
get it washed