问题

Food safety is important. Rules _____ to stop people from food pollution.
A:must make
B:must be made
C:can make
D:can be made
B:must be made
C:can make
D:can be made
正确答案是:
同类题型
We should never ________till tomorrow what we can do today.
What can you see in the picture? — I can see a farm. And there _______ a lot of animals on it.
What do you usually do when it is raining?—I often ______ TV.
The days _____ they spent their childhood together have already gone.[ ]
How_____ is it from your school to the hospital?—Five miles.[ ]