---Helen, will you be at the party tonight?
---Yes, but I have so much homework to do that I really .
A．can’t B．mustn’t C．won’t D．shouldn’t
Some people like drinking coffee, for it has effects.
A．promoting B．stimulating C．enhancing D．encouraging
After the trainer was sure that the whale could look after itself, he it into the sea.
A．transported B．unloaded C．released D．handled
---English has a large vocabulary, doesn’t it?
Yes. more words and expressions and you will find it easier to read and communicate.
A．With B．Knowing C．To know D．/
seems to be a strong competition in China for senior high students to enter universities does exist in other countries as well.
A．It B．There C．What D．That
---Do you know the famous scientist Yuan Longping?
---Of course. His name whenever the matter of hybrid rice（杂交水稻）is discussed.
A．comes out B．comes up C．comes in D．comes on
