Trees used to be________for cooking by the villagers in the 1970s．
A．cut up
B．cut down
C．cut off
—_____________，computers are not so clever as man．
—That’s true．Man can control it easily．
| A．Right now | B．At the moment |
| C．For the time being | D．Just now |
—You won’t pass the oral English test ______ you practise speaking more．
—I am sure that I will be the best．Don’t worry，mum．
| A．when | B．if | C．unless | D．after |
—I told you not to be absent from the class meeting again，________I ?
—Sorry，I am afraid that I forgot it．
| A．do | B．did | C．don’t | D．didn’t |
—When will the engineer go to Singapore?
—Oh，I don’t know when he ___Singapore．When he ____ Singapore，I will call you．
| A．leaves for；leaves for | B．will leave for；will leave for |
| C．will leave for；leaves for | D．leaves for；will leave for |
—Could I finish it today or tomorrow ?
—Either day is OK．Take your time．You _________ do it as you like．
| A．can | B．must | C．need | D．might |