I'm amazed to hear from my school teacher again. _______，it is ten years since we met last.

–Sorry, Professor Smith. I didn’t finish the assignment yesterday.
--Oh, you _____ have done it as yesterday was the deadline.
A. must     B, mustn’t      C, should      D. shouldn’t

In our city, citizens have free _____ to the library, which makes it easy for them to read any book they like.

---They are quiet, aren’t they?
--Yes. They are accustomed ______ at meals.

_______ I met him, I thought he was a serious man.

Give me an undisturbed hour and I ______ the work Tom has left unfinished.

It is the second time that I ____ in Shanghai. What great changes! It’s years since I ____ here last time.

The new castle being built for fun will be _____ the present one。

Peter’s jacket looked just the same as Jack’s, but it cost ___________his.

A lot of children are used to ______ their time ______ up by their parents and they simply  don’t know ______ with their spare time themselves.