问题:
Plastic bags won’t be allowed to be used for free in the supermarkets. They can’t _________ easily, which does great harm to our environment.
A.break off
B.break in
C.break down
D.break out
Plastic bags won’t be allowed to be used for free in the supermarkets. They can’t _________ easily, which does great harm to our environment.
A.break off | B.break in | C.break down | D.break out |
参考答案: