Students urged that the school library ______open during the long vacation.

They demanded that the books ______ to the school library right away.  

—Many people in England love to give advice on weather reporting.—Yes, but I think the weather office’s computers _____ be more accurate.

We would have called a taxi yesterday if Harold ________ us a ride home.

At the conference, Premier Li Keqiang urged all the government departments ______ effective measures to improve work efficiency.