--What’s wrong with you , Eric ? You look tired .
--I ______ to prepare for the final exam last night .
| A．picked up | B．woke up | C．stayed up | D．put up |
—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 relaxing
B. the most interesting
C. 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