We had an anxious couple of weeks, ____ for the results of the experiment.
#91142
A
wait
B
to be waiting
C
waited
D
waiting
推荐题目
Don’t forget to examine the test paper you have just finished_____the possible mistakes in it .
#96084
A
correcting
B
to correct
C
and corrected
D
having correcting
The operation I had   just two months ago and now I have fully recovered.
#92537
A
taken place
B
took place
C
to take place
D
taking place