The central heating system of this office building is down and several workers ______ it right now.
#99933
A
had repaired
B
have repaired
C
repaired
D
are repairing
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— You should have come to the party last Saturday evening. It was really fantastic.— But a friend an unexpected visit to me.
#102567
A
paid
B
had paid
C
would pay
D
has paid
We have done things we ought not to have done and_____ undone things we ought to have done.
#103904
A
left
B
leave
C
will leave
D
leaving
In yesterday’s newspaper, it was reported that great damage ____by the flood.
#100946
A
has been done
B
had been done
C
has done
D
had done
---- Are you still a teacher? ---- No, I____ in Harbin No. 3 High School for five years.
#102428
A
worked
B
have worked
C
have been working
D
had worked