语法词汇练习 语法大全 语法详解 英语听力 
I think you have to stop _______. It’s bad for your health.
#49229
A
smoke
B
smoked
C
smoking
D
to smoke
下一题
推荐题目
The boy with two dogs _____ in the yard when the earthquake rocked the city．
#51208
A
is playing
B
was playing
C
are playing
D
were playing
Do you enjoy ________ Chinese in our school, Bob?
#49307
A
learn
B
learning
C
learns
D
to learn
There are some boys ________ in the river.
#51303
A
swimming
B
to swim
C
are swimming
D
is swimming
She tried ________ Chinese in English.
#51095
A
to not speak
B
not to speak
C
not speaking
D
didn’t to speak
The teacher did what she could____that child.
#50723
A
to help
B
helping
C
helped
D
helps