Our government ______ all people to save energy and fight against pollution.

It is required that the students _____ mobile phones in our school, so seldom _____ them using one. [ ]

It was foolish of him to ______his notes during thatimportant test, and as a result, he got punished.

The local government has again ______ its words not to swallow the arable land for town building and the farmers can do nothing but swallow it. Which of the following is NOT OK?[ ]

It’s reported that doing eye exercises is no use for students. But I hear you have to do it every day.—You’re right. But it’s one of the _______ in my school.