Flowers suddenly burst out everywhere on the same day every spring, as if they in tune with one another.
| A．are | B．were | C．have been | D．are to be |
—We’d better go downstairs right now for lunch.
—______ They serve food 24 hours a day.
| A．Take your time. | B．No way! |
| C．Hurry up! | D．It doesn’t matter. |
Walking is a nice way to relax. ______, it can help reduce body weight if you do it regularly.
| A．However | B．Instead | C．Therefore | D．Besides |
Having decided to take the trip, he ______ preparing for it.
| A．set up | B．set about | C．set out | D．set aside |
—You mustn’t leave your car unlocked while you are away.
—No, I ______. Please don’t worry too much.
| A．can’t | B．mustn’t | C．won’t | D．needn’t |
I was caught in a traffic jam for over an hour, otherwise I ______ you waiting for such a long time.
| A．will not keep | B．have not kept | C．had not kept | D．would not have kept |