The driver tried everything he could think of, but the car just ______ not move.
| A．should | B．might | C．must | D．would |
Public service advertisements are often run _____ free, and are ______ to educate people about health, safety, or any other issue which affects public welfare.
| A．for, mean | B．for, meant | C．of, to mean | D．in, meaning |
--- Shall I tell John about it?
--- No, you _____. I’ve told him already.
| A．mustn’t | B．wouldn’t |
| C．shouldn’t | D．don’t have to |
I am in low spirits, because the money _______ I was going to buy Mum a present is gone.
| A．with which | B．from which |
| C．by which | D．through which |
We have to work hard; ______ we’ll lose the chance.
| A．therefore | B．otherwise | C．besides | D．however |
We ______ for one hour and a half and it is about time we ______ a rest.
| A．trained; take | B．have trained; took |
| C．are training; will take | D．had trained; to take |