Some experts demanded that children _______ time for sleep and play.
| A．give | B．should give | C．would be given | D．be given |
.
I have ________ all my papers but I still can’t find my notes.
| A．looked through | B．looked for | C．looked after | D．looked out |
.
— Now that you like computers very much, isn’t that a good idea to get a ______?
— Well, I’d like to, but I can’t afford such an expensive computer at present.
| A．one | B．them | C．it | D．that |
.
I have many friends, _______ some are businessmen.
| A．of them | B．from which | C．of who | D．of whom |
.
The car has been well maintained and is ________ excellent condition.
| A．in | B．under | C．on | D．with |
.
— Why was Professor Johnson unhappy those days?
— Can’t you see it clearly? The only reason was that the theory he stuck to________ wrong.
| A．proving | B．being proved | C．proved | D．was proved |