--________ your friend?-- He is OK.
There is a lot of traffic on the road now. You ________ play football there!
Eddie was sleeping ______ Millie was watching TV.
The old man was _______ sad _______ say a word when he heard the bad news.
The children ______ a P.E. class on the playground when it began to rain suddenly.
Liu Dehua, Zhou Jielun and Lin Junjie are famous _______ their pop songs.