―There will be ___________ to treat 10 people to lunch.―Sounds __________.
—Are you going to but a new camera?—Yes. But there are so many cameras that I can’t decide______________.A. how to use B. where to sell C. which to buy
—Shall I take a taxi?—No, we_____________. It’s not far from here.A. shouldn’t B. mustn’t C. needn’t
—Oh, my God! I can’t find my key to the office.—Don’t worry. Perhaps it______________ in your home.A. left B. has left C. was left
—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