At the bell, the door opened and _____, dashing towards the dinning hall, all shouting and laughing.
| A．the hungry students poured out |
| B．did the hungry students pour out |
| C．out the hungry students poured |
| D．out poured the hungry students |
_____ herself to science, the great scientist took little notice _____ the honors given to her．
| A．Devoted, of | B．Devoting, of |
| C．Devoted, about | D．Devoting, about |
The old couple, ____had been admitted to university, were living a hard life．
| A．both their children | B．both of whom children |
| C．both of whose children | D．whose their children |
---Has Peter handed in his paper yet?
---I’m not sure．He _______ on it last week．
| A．was working | B．has worked |
| C．worked | D．had worked |
The biggest problem for most plants, which ______ just get up and run away when threatened, i
s that animals like to eat them．
| A．can’t | B．shan’t |
| C．needn’t | D．mustn’t |
---Have you called Mr Johnson’s office?
---Yes．He ____back before tomorrow noon．So he can attend our meeting on time．
| A．expected | B．is expected |
| C．is expecting | D．is to expect |