The old man fell ______ and hurt himself.
| A．over | B．in | C．up | D．at |
I’ve become good friends with several of the students in my school __________ I met in the English speech contest last year.
| A．who | B．where | C．when | D．which |
Mr. Smith works with a mobile phone company, but he _____________ for this international meeting, since he is on holiday.
| A．works | B．is working | C．has worked | D．had worked |
---Look, what have they done?
---Sorry. I think if I __________ another chance, I’ll do it better.
| A．give | B．will be given | C．will give | D．am given |
If it had been fine yesterday, we could have watched that air show. But it _____________ all day.
| A．has rained | B．had rained | C．rained | D．rains |
Which of the following pictures means “Please don’t make any noise”?