--- Who’s the man giving the speech?
--- Well, if you ____ know, his name is Lyric.

—I did not know you were good friends.
—You__________. I have known her since she moved here. You were abroad then.

-----Is it good to look up every new word when I come across it in reading?
-----No. You _______ because you are likely to guess the meaning from the context.

—What do you think we can do for our aged parents？
—You　　　　do anything except that you visit them as often as possible.
don’t have to  B. oughtn’t to  C. mustn’t  D. shouldn’t

I hoped ______ my letter.

He was a good runner so he ______ escape from the police.

Mary is very late, she ______.

When he was at school, he ______ early and take a walk before breakfast.

---_________ either he or I to host Talent Show in our school this year?
--- I have no idea, either.

Each of the students in our class　　　　great interest in English and we each　　　　a copy of A New English-Chinese Dictionary.