—May we leave classroom now?—No, you        . You        to leave until the bell rings.
#44886
A
mustn’t, are allowed
B
don’t have to, are supposed
C
needn’t, aren’t allowed
D
can’t, aren’t supposed
推荐题目
When I called Mr. Li, he and his wife ________ in the rain.
#44704
A
trapped  
B
were traped
C
were trapped 
D
were trapping
The beautiful coat ______ by her last month.
#45023
A
is designed
B
is designing
C
was designed
D
was designing
The fashion show        in five minutes.
#44403
A
holds
B
will be held
C
hold
D
held
A photo _____ each time that button _____.
#44456
A
has taken… has pushed
B
has been taken…has pushed
C
is taken … will be pushed
D
is taken … is pushed.