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
推荐题目
I wonder if your sister will go to Mary’s birthday party．If she_______，so______I．
#103613
A
does；will
B
will；am
C
does；do
D
would；will
---- You look tired. ---- Yeah, I ________ since 4 o’clock.
#103605
A
had played
B
have been playing
C
am playing
D
have been played
–Excuse me, sir, didn’t you see the red light?--Sorry, my mind _____ somewhere else.
#100402
A
has been wandering
B
was wandered
C
had wandered
D
was wandering
—Have you heard from Janet recently?—No, but I ______ her over Christmas.
#104506
A
saw
B
will be seeing
C
have seen
D
have been seeing
------- Hi, Jane! How nice meeting you here in London! -------Oh, it’s you, Frank. I ____ that you _____ in London.
#103834
A
didn’t expect, were
B
don’t expect, are
C
didn’t expect, are
D
don’t expect, were