The biggest problem for most plants,which_______just get up and run away when threatened,is that animals like to eat them.
| A．shan’t | B．can’t |
| C．needn’t | D．mustn’t |
My MP4 player isn’t in my bag.Where _______ I have put it?
| A．can | B．must | C．should | D．would |
—She looks very happy.She_______have passed the exam.
—I guess so.It’s not difficult after all.
| A．should | B．could | C．must | D．might |
I told your friend how to get to the hotel,but perhaps I___have driven her there.
| A．could | B．must |
| C．might | D．should |
The teacher_____have thought Johnson was worth it or she wouldn’t have wasted time on him,I suppose.
| A．should | B．can |
| C．would | D．must |
—What do you think we can do for our aged parents?
—You___do anything except to be with them and be yourself.
| A．don’t have to | B．oughtn’t to |
| C．mustn’t | D．can’t |
_____ U2, the Irish rock band from Dublin perform a concert in Beijing, tell me in advance.
| A．If | B．Shall | C．Should | D．Would |
—Turn off the TV,Jack._______ your homework now?
—Mum,just ten more minutes,please.
| A．Should you be doing | B．Shouldn’t you be doing |
| C．Couldn’t you be doing | D．Will you be doing |
It was announced that only when the fire was under control ___ to return to their homes.
| A．the residents would be permitted |
| B．had the residents been permitted |
| C．would be residents be permitted |
| D．the residents had been permitted |