Students ________________slippers(拖鞋) when they are at school.
#44587
A
don’t allow to wear
B
don’t allow to put on
C
are not allowed to wear
D
are not allowed to put on
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You have to be 18 years before you _________ to drive a car.
#44890
A
are allowed
B
are
C
allowed
D
allow
---Mum,_______ I watch TV? ---No. Unless your homework _______________.
#44578
A
could; finishes
B
can; will finish
C
may; is finished
D
can; will be finished
Great changes _______ in our country since 1990.
#44952
A
were taken place
B
took place
C
have taken place
D
have been taken place
 Finally, the child was made _______ and began to smile. 
#44368
A
stop crying
B
to stop to cry
C
to stop crying
D
stop to cry