---- Dad, I’m fixing my bike, can you give me a hand?
---- Just . Be sure of your own ability.
| A．wait a moment | B．help myself |
| C．do it yourself | D．hope for the best |
The engineer will return from Macao ____ a few days.
| A．since | B．in | C．on | D．after |
–When will Mr. Black come to Beijing? –____ September 5.
| A．On | B．To | C．At | D．In |
It was a very long day for Jack. He didn’t get home from
school ____ six o’clock.
| A．since | B．to | C．by | D．until |
China lies ____ the east of Asia and ____ the north of
Australia.
| A．to; to | B．in; to | C．to; in | D．in; on |
There is an old bridge ____ the river.
| A．above | B．in | C．over | D．on |