He is very serious. No one can make him___.
#50906
A
laugh
B
laughs
C
to laugh
D
laughing
推荐题目
__________ English well, one must have a lot of practice.
#48728
A
Speak
B
Speaking
C
To speak
D
Speaks
—Have you decided _______ to Xi’an? —Yes. I’ll go there by train. It’s much cheaper than by plane.
#50650
A
when to go
B
how to go
C
where to go
D
whom to go
Mr. Li asks the students in the river, because it’s too dangerous.
#50453
A
swim
B
to swim
C
not to swim
D
to not swim