Students should be encouraged to use________Internet as________resource.
| A．/；a | B．/；the | C．the；the | D．the；a |
-- Catherine, I have cleaned the room for you.
---Thanks. You _______ it. I could manage it myself.
| A．needn’t do | B．shouldn’t have done | C．mustn’t do | D．needn’t have done |
It didn’t take the children long to________ the correct answer.
| A．carry out | B．figure out | C．turn out | D．give out |
_____ 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 |