The time he has devoted in the past years _______ the disable is now considered ________ of great value.
#98958
A
to help; being
B
to helping; to be
C
to help; to be
D
helping; being
推荐题目
When __, the wholesale vegetable market will be the largest one in China.
#94252
A
completed
B
completing
C
to be completed
D
being completed
 We have made _____ a rule ______ in the office.
#95881
A
this, not to smoke
B
it, smoking
C
it, to not smoke
D
it, not to smoke