— Do you believe there are aliens?— I’m afraid not. I don’t think aliens       in space.
#44751
A
can find
B
can found
C
can be found
D
can be founded
推荐题目
I think teenagers ____________ to choose their own clothes.
#44596
A
be allowing
B
should be allowed
C
be allowed
D
should allowed
The young trees should______ as often as possible.
#44714
A
take care of
B
be take care of
C
be taken care of
D
be taken care
The room _______ every day. You can live it now.
#44779
A
cleans
B
is cleaning
C
is cleaned
D
has cleaned
Teenagers              allowed to drive in the street .
#44899
A
should not be
B
should be not
C
not should be
D
shouldn’t