( ) Let ____ be friends . A. is B. are C. was
What’s it _________. A.in B. at C.about
They are __________ books now. A.read B. reading C.reads
He often _______ TV on Sunday A. watches B. watches C.watched
I ________ to the zoo yesterday. A. go B. went C. goes
Yang Liwei ________ about twenty-one hours in space. A.spend B. spent C.gave