Rather than_____on a crowded bus, he always prefers_____a bicycle.
| A．ride, ride | B．riding, to ride | C．ride, to ride | D．to ride, riding |
He soon found himself his new co-workers.
| A．in harmony of | B．in the harmony of |
| C．in harmony with | D．in the harmony with |
is a good chance that I'I1 finish the work tomorrow.
| A．It | B．There | C．This | D．That |
Access the mountain-town is often difficult because of the bad roads.
| A．of | B．with | C．to | D．on |
Once out of the earth’s gravity, the astronaut is by the problem of weightlessness.
| A．affected | B．effected |
| C．related | D．offered |
The doctor telephoned to say that he couldn’t ____ the meeting because he had to ___ a patient.
| A．came to; attend to | B．attend; attend |
| C．join; treat | D．attend on; look after |