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—Will Mr. Brown come and play computer games?
—No,               he has finished, his homework.

Teenagers would rather_____ secrets with friends than _____ about them with parents.

He realized his mistakes and took action to reduce the loss _______ it was too late.

______ he got ready to leave home, his parents came to his home.

Hurry up, _________ you will miss the bus.
A. or   B. and  C. but

The city has improved a lot _________ I came here a few years ago.
A. for  B. since    C. before

_______ I had no time to travel, I still felt very happy.
A. Though                           B. But  C. So

—Could you tell me       ?       —Certainly.

People along the river didn’t allow them to ______ a factory so as not to pollute the water.

I enjoyed your lecture very much, ______ there were some parts I couldn’t quite understand.