Encourage your children to try new things, but try not to ______ them too hard.

I will go to Beijing for a visit with myfamily during the winter holiday. —______.

Listen up, everybody! Show me your licence. Don’t ask . Just do it!

Must I return the book this morning–No, you______. But you ______return it before supper.

Which of the following we can’t use when we make a telephone call