The project alongside with the experiment we had once devoted so much time ______ perfectly.
#99849
A
to work out
B
to working out
C
to worked out
D
has worked out
推荐题目
What’s the time?  My watch _______.
#101221
A
is being repaired
B
is to repair
C
has been repaired
D
has repaired
I’ll go to meet you if I ________ free then.
#100697
A
will be
B
would be
C
am
D
Was
----I’m sorry, but there is no smoking on this flight.----Oh, I _____ that. Sorry, I won’t again.
#104849
A
don’t know
B
didn’t know
C
won’t know
D
haven’t known