—Hi, Lily! Why don't you go swimming with them? —Because I ________ my homework yet.
A. didn't finish B. won't finish C. haven't finished D. don't finish
He lives in a small town ________ Dianbu.
A.calls B.is called C.called D.with
We want to ________ some information about the Olympics on the Internet.
A.invent B.search for
C.look D.find out
I've ________ arrived at our school，but I haven't entered the classroom ________．
A.already；already B.yet；already
C.yet；yet D.already；yet
—You look unhappy，David.
—I invited my classmates to play basketball this morning，but ________ of them came.
A.nobody B.all C.none D.everybody
It's very dangerous for us ________ the mobile phone while crossing the street.
A.answering B.to answer
C.answer D.answers
