Only adults are allowed to have access the Internet in the Internet cafes in our city.
—Dad, where on earth did you put my raincoat?—Oh, Jim.I forgot to tell you.It _________ behind your bedroom door.
In autumn, _________ the weather is often cool and fine, people living in the city always like climbing hills for outdoor activities to strengthen their health.
—I telephoned him twice and I couldn’t get through to him.—The line might have been out of order, _________?
The USA has a quarter of the leading 200 in the latest ranking of the world universities, _________ 30 of the universities are in the UK.
Our school appeals to the students to _________ at least an hour every day to take exercise in order to raise learning efficiency.