Teenagers shouldn’t be allowed curly hair.
A、to have B、having C、have
I think you should smoking.
A、use up B、give up C、pick up
I had trouble English this term.
A、to learn B、learn C、learning
He didn’t friendly to us.
A、use to be
B、used to be
C、use to being
The notebook belongs to .
A、her B、his C、my
If there are people driving, there will be air pollution.
A、more, less
B、fewer, more
C、fewer, less
