There are some children _____ in the room.
#50736
A
singing
B
sing
C
are singing
D
to sing
推荐题目
The little girl was crying because her mother didn’t allow her _______ the ice-cream.
#48500
A
eat
B
eats
C
to eat
D
ate
–We should do what we can _____ the endangered animals.` --Yes, it’s duty_____ them.
#50588
A
save, to protect
B
save, protect
C
to save, protect
D
to save, to protect
I spent half an hour ___________ my homework.
#49163
A
finish doing
B
to finish doing
C
finishing to do
D
finishing doing
