The water supply has been cut off temporarily because the workers ____ one of the main pipes.
#100577
A
had repaired
B
have repaired
C
repaired
D
are repairing
推荐题目
-When are you leaving? -My plane _____ at six.
#104635
A
took off
B
is about to take off
C
takes off
D
will take off
The truck ran down the hill, and the driver _____, according to the local newspaper, to have been killed.
#101207
A
was reported
B
was reporting 
C
reported
D
had been reported