It is reported the weather will _____ hot for a long time.—I hope not. I hate hot weather.

Three problems are too hard to . Will you give me some advice? —-There are many ways. The mostt important is to have a careful plan.

We don’t have any classes_________ Sundays.[ ]

There are _______ doctors and nurses working hard in that hospital.

Scientists say it may be five or six years_______it is possible to test this medicine on human patients.