Don’t make him __________ all the cleaning alone. After all, he is so young. 
#49396
A
to do
B
do
C
not to do
D
doing
推荐题目
It’s important __________ fire.
#50876
A
to care
B
be careful
C
to be careful
D
to be careful with
Thank you for______us,Mr Li 
#49958
A
help
B
helps
C
helping
D
helped
The policeman told the children _____play in the street.
#48603
A
didn‘t
B
to not
C
not to
D
don‘t