Our classroom _______ by us every day!
A.is cleaning B.has cleaned C.must clean D.is cleaned
_______ I know, he is kind.
A.As soon as B.As long as C.As far as D.As well as
While she _______ , she cut herself.
A. was cooking B.cooked C.had cooked D.cooks
The man ______ gave us a talk on science yesterday is a famous scientist.
A.who B. whose C. won D. Watched
_______ our surprise, he got the first place in the game!
A. To B. For C. As far as D. As soon as
Lao She is _______ a great writer.
A known as B known for C known with D.known to