---How is Gina? ---She looks __ because she has a __ vacation.
—Listen! Is it Linda singing in the next room? — No, it __________ be her. She is still in Shanghai.A. can't B. couldn't C. may not
There are ______ people on the square. It's so crowded.A. 8 hundreds B. hundred of C. hundreds of
—What is your favorite sport? —Swimming, I think. It’s _____ of all.A. more relaxingB. the most interestingC. the most boring
—Shall we go out for a walk?—Sorry, I can’t. I _____ my homework.A. do B. was doing C. am doing
Father often tells me _____too much time on computer games.A. don’t spend B. not spend C. not to spend