Do you know the name of the play___ in the hall now?
#95528
A
to be put on
B
being put on
C
put on
D
putting on
推荐题目
________ many times, he finally understood it.
#94974
A
Told
B
Telling
C
Having told
D
Been told
Do you know we have much difficulty ____ the work on time.. 
#97766
A
on finishing
B
finishing
C
to finish
D
at finishing