Food saftety is important.Ruless___to stop people from food pollution.A.must make B.must be made C.can't make D.can't be made

问题描述:

Food saftety is important.Ruless___to stop people from food pollution.
A.must make B.must be made C.can't make D.can't be made

B rules是被指定的

正确答案选B
希望对你有帮助,望采纳,谢谢~

B
翻译为 必须被制定