They were made _______ the whole night. 
#50613
A
working
B
work
C
to work
D
worked
推荐题目
 How happy we were        each other !
#49780
A
to see
B
seeing
C
saw
D
have seen
I hear the birds _______.
#51349
A
sing
B
to sing
C
sings
D
singing
 I really don’t know____________.
#50551
A
how to do
B
what to do
C
what should I do
D
how I should do