— Have you received an e-mail message from Helen?
— _______. You see, no news is good news.
| A．Yes, I have | B．I don’t know | C．No, I haven’t | D．Sure |
— How about buying an iPhone 4s for your mother’s birthday?
— Oh, maybe it’s too expensive, Dad. Do you know _______?
| A．how much does it cost | B．how much it costs |
| C．how much it cost | D．how much did it cost |
People in the southwest of China are in great need of ______ this year because it hasn’t rained for a long time there.
| A．food | B．water | C．drinks | D．vegetables |
— When _______ you _______ to learn to ride your bike？
— I really can’t remember the time.
| A．do; begin | B．did; begin | C．have; begun | D．had; begun |
— Can I go to the movie, Mum?
— Certainly. But you _______ be back by ten o’clock.
| A．can | B．may | C．might | D．must |