—Which one do you want to buy, an iPod touch 4, an iPad 3 or an iPhone 5?—______. They are too expensive.
Yesterday he was walking _____ the police station when a plane flew _____ his head.
As we know, England is ______ European country and Singapore is ____ Asian country.
— _________ have you lived there? — Since I came here in 2001. A. How long B. How often C. How soon
Trees can stop the wind ______the earth away. A. from blowing B. to blow C. blew
______Mum was ill yesterday, _______ she still went on working. A. Though; / B. Though; but C. Because; /