【题目】The human race has already paid a heavy price for its slow to environment threats.

【题目】IF you leave the club , you will not be back in.

【题目】My friend lives in Tianjin, ________ is about an hour’s ride from his office.

【题目】—What courses are you going to learn next term?

【题目】It was essential that the application forms ___________ back before the deadline .

【题目】Don’t ________ more work than you can do, or you will ________.

【题目】________ more information, you can log on to the website of our company or call 8858858.

【题目】You’d better not phone our manager from three to four this afternoon; he ________ for a meeting then.

【题目】If my train is on ____ schedule, I will be home at ____ midnight.

【题目】The Spring Festival Gala(春节晚会) on CCTV has _______ many ordinary entertainers into well-known stars overnight.