Tim, ______ you ______ your homework yet?

The new recorder that I bought yesterday is ______, which makes me very angry[ ]

Don’t look down upon Bob. He has his own advantages. — Oh, yes. ____ others are weak , he is strong.

By nine o’clock，all the Olympic torch bearershad reached the top of Mount Qomolangma，________appeared a rare rainbow soon.

Suddenly the idea came to me ____ I mightturn to MrSmithfor help