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I was doing my homework _______ my father was reading newspapers.
A. how              B. while                C. if  

—What’s the weather like in Kunming?
—It is very comfortable.     too cold     too hot. People like to live there.
A. Either, or           B. Not only, but also        C. Neither, nor

—Mike didn’t notice the sign ____ it was right in front of him.
—How careless he is!

The sports meeting will continue ___it rains this afternoon.

I like English, __________ I don’t like history.

---His brother John began to study French last year. And now he is good at it. He is so talented.
---_______ He always learns things quickly.

   _    we were walking along the river, we heard a cry for help.

You can borrow my dictionary __________ you keep it clean.
A. as much as           B. as soon as            C. as long as   

---- Hurry up ! The bus is coming .
----- Wait a minute. Don’t cross the street_________ the traffic lights are green.

Not only       me a book, but also he gave her a bag.
A、did he give              B、he gave             C、had he given