Teenagers should_____________ drive. They’re not serious enough.
#44709
A
allowed to
B
be allowed to
C
allow to
D
not be allowed to
推荐题目
The windows must _________ before you leave the room.
#44851
A
be closed
B
are closed
C
close
D
be close
Our classroom   _______   by us every day!
#44538
A
is cleaning
B
has cleaned
C
must clean
D
is cleaned
Computers ________widely in our daily life.
#44976
A
use
B
used
C
were used
D
are used
— May we leave the classroom now?— No, you _______. You _______ to leave until the bell rings.
#44633
A
mustn’t; are allowed
B
can’t; aren’t allowed
C
don’t have to; are allowed
D
needn’t; aren’t allowed