On birthday, they buy flowers_________ birthday presents.A. for B. as C. to
—Alice, would you mind not playing the guitar? I ___________on the phone. —Oh, sorry, mom. A. talked B. was talking C. am talking
—Doctor, ____________should I take this medicine? —Twice a day. A. what time B. how much C. how often
Chinese people complain that the price of the apartment is getting_____________. A. lower and lower B. higher and higher C. cheaper and cheaper
You won’t feel happy at school___________ you get on well with your classmates. A. though B. unless C. because
—How do you communicate with your foreign friends? —________________writing e-mails, of course. A. With B. By C. From