—Will you go to Nanjing by bus _____ by plane?
—By plane. It is expensive ______ fast.
| A．or; but | B．or; and | C．and; but | D．and; and |
Our teachers always tell us ________ across the street when the traffic light is red.
A. to go B. don’t go C to not go D. not to go
Who is the man over there? Is it Mr. Wu?
— It ________ him, but I am not quite sure.
| A．may be | B．maybe | C．is | D．must be |
I didn’t see Tom last night. Where was he?
--- He______ an interesting book at home.
| A．reads | B．is reading | C．was reading | D．will reading |
Nobody can live________ fresh air and clean water.
| A．with | B．in | C．by | D．without |
My brother is honest boy, he never tells a lie.
| A．a | B．an | C．the | D．/ |