To keep safe _______ an earthquake, you should remain at a spot in your room where nothing may fall on you.
Grace doesn’t want to move to New York because she thinks if she________there,she wouldn’t be able to see her parents very often. (2012·安徽,31)
I ________ use a clock to wake me up because at six o’clock each morning the train comes by my house. (2012·新课标全国,30)
—It rained cats and dogs this morning.I’m glad we took an umbrella.—Yeah,we would have got wet all over if we ________. (2013·重庆,29)
When I was a child,I ________ watch TV whenever I wanted to. (2013·江西,29)
—Do you think George has passed the driving test?—No.If so,he ________ his car to our college yesterday. (2013·福建,30)