Sixteen-year-olds should _________their ears pierced.
#44743
A
be allowed to get
B
be allow to get
C
allow to get
D
be allowed getting
推荐题目
—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
Some animals in the zoo die of hunger because they_____enough food.
#44660
A
don’t give
B
didn’t give
C
aren’t given
D
won’t give
Everyone of us _____ it’s important _____a seat belt in the car.
#44762
A
knows, wears
B
know, to wear
C
knows, to wear
D
know, wearing
 –Lots of trees and flowers ________ on both sides of the road last year. --Oh, _______ beautiful they are!
#44520
A
have been planted; how
B
were planted; what
C
were planted; how
D
have been planted; what
---Why is the classroom so dirty? --- Sorry, sir. It ______ yesterday. We forgot to do it. 
#44831
A
doesn’t clean
B
didn’t clean
C
isn’t cleaned
D
wasn’t cleaned