问题

Food safety is very important. -So some rules to stop people from polluting food.
A:must make
B:must be made
C:must made
D:be made;
B:must be made
C:must made
D:be made;
正确答案是:
同类题型
If we can’t put our hands ________ some food and water, we shall have nothing to eat
These kids are quick at learning. We hadbetter have them __ in a new way.
The party is a great success. We’ve had a good time.—______!
___ the invention of the steoriginated in
Do you know the woman __________ long curly blonde hair—No, I don’t.