You_______ play with the knife. You ______ hurt yourself.
| A．mustn’t; may | B．mustn’t; must | C．shouldn’t; must | D．can’t; should |
People should __________ from __________ down the trees to protect the earth.
| A．be stopped, to cut | B．stop, to cut |
| C．be stopped, cutting | D．stop, cutting |
I don’t think you can finish the work in such a short time, __________?
| A．can’t you | B．can you | C．do I | D．don’t I |
__________ useful advice he has given us!
| A．What a | B．What | C．How | D．What an |
I didn’t know when he _____ back. He said he would call me when he _____ home.
| A．would come, got | B．came, got | C．will come, gets | D．came, would get |
Four days __________ enough for us. We still need ________ two days.
| A．isn’t, another | B．aren’t, another | C．isn’t, more | D．aren’t, more |