During the flood many students volunteered ________ through the weekend, giving out food and water for the victims.
#88784
A
working
B
to work
C
to have worked
D
having worked
推荐题目
____ to complete the job on time, they set out to work immediately.
#95590
A
Being determined
B
On having determined
C
Determined
D
To be determined
It is no use       without taking any measures.
#89736
A
cry
B
crying
C
to cry
D
cried