A man landed on Mars? You must be joking. It ______ be true.
| A． mustn’t | B．can’t | C． needn’t | D．won’t |
.
The higher the oil price is, ___________to the global economy.
| A．the more damage will it cause | B．the more it will cause damage |
| C．the more damage it will cause | D．the more will it cause damage |
.
I made a call to my parents yesterday. To my disappointment, _________of them answered it.
| A．either | B．none | C．neither | D．nobody |
.
—Can he take charge of the computer company?
—I’m afraid it is _________ his ability.
| A．beyond | B．within | C．of | D．to |
—Since you can't find a better way out for the time being，why not follow his advice?
—Oh，．
| A．I believe not | B．I might as well | C．It doesn't matter | D．I don't care |
It’s a pity that you leave so soon. It’s been so nice having you here.
| A．should | B．could | C．can | D．might |