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
People are talking about the new traffic regulations _______in two months.
#91063
A
to be put on
B
to put on
C
being put on
D
put on
 At present, English is the main subject _____ here. 
#98252
A
to be taught
B
being taught
C
teaching
D
to be teaching