They were made _______ the whole night. 
#50613
A
working
B
work
C
to work
D
worked
推荐题目
---How did you work out the difficult chemistry problem?--- I worked it out by ________.
#49667
A
working with a group
B
think very hard
C
ask the teacher for help
D
doing oneself
It’s the best way         English.
#49072
A
learn
B
to learn
C
learning
D
to learning