---.Look! It _____be your uncle .
----It_____ be him . He has gone to Xi’an.
| A．can, mustn’t | B．can , can’t | C．must, can’t | D．must, may |
The teacher often tells Jim and David _______ too much time _______ computer games.
| A．not to spend, playing | B．not to spend, to play |
| C．don’t spend, playing | D．shouldn’t take, on |
More than two weeks _______ since the foreign friends came here.
A. passed B. has passed C. have passed
— All the students are working hard now.
—_______. Because all of them want to go to good colleges.
| A．So are they | B．Neither they are | C．So they are | D．So they do |
The English teacher isn't here. She ________ to the office.
| A．has been | B．has gone | C．went | D．did go |
The physics teacher said that light _______ much faster than sound.
| A．travels | B．traveled | C．to travel | D．was travelling |