Can’t you see that sign? Taking photos _______ here. 
#44371
A
aren’t allowed
B
don’t allow
C
isn’t allowed
D
doesn’t allow
推荐题目
— John, you       go out to play until your homework       .  —OK, Mum.
#44766
A
must; finishes
B
can’t; is finished
C
can’t; has finished
D
needn’t; finishes
Great changes _______ in our country since 1990.
#44952
A
were taken place
B
took place
C
have taken place
D
have been taken place