－I want to go to Mount Tai by plane, but I’m afraid I don’t know the__________.
－It is about 1000 yuan.
A .way B. price C. time
____Lily ___Lucy can go with you , because one of them has to stay here to look after their mother
| A．Either ; or | B．Neither ; nor | C．Both ; and | D．Not only ; but also |
It`s not easy _______ Chinese students _______English well.
| A．of, to learn | B．for, learning |
| C．of, learning | D．for, to learn |
Mother told her son _______do that _______
| A．don’t, any longer | B．to not, no longer |
| C．not to, any more | D．doesn’t, no more |
Who saw it ______ at that time?
| A．happen | B．happened | C．happens | D．to happen |
More and more people have realized that we won’t have cleaner water to drink unless something _______soon.
| A．is done | B．was done | C．will be done | D．to be done |