–How do you travel to school every day? –I go ____ bus.
| A．on | B．at | C．in | D．by |
—Linda, I called you this morning, but nobody answered the phone.
—I'm sorry. I football with my friends then.
| A．play | B．played |
| C．am playing | D．was playing |
I told Tony the exciting news__________ he came back home last night.
| A．so that | B．as soon as |
| C．however | D．until |
---- It’s very important for everyone to exercise. do you exercise?
----Three or four times a week.
| A．How long | B．How far |
| C．How soon | D．How often |
---- Is that girl Susan?
---- It ______ be her. She left for Beijing yesterday.
| A．needn't | B．can't |
| C．mustn't | D．couldn’t |
----Shall we go to the amusement park this Sunday, mum?
---- Sure, ________ I am busy.
| A．unless | B．if |
| C．but | D．or |