—Can we run across the road now？
—No，we ________．We have to wait until the light turns green．
| A．needn’t |
| B．mustn’t |
| C．couldn’t |
| D．shouldn’t |
Now things made by machine are cheaper than those made _____.
| A．at hand | B．in hand |
| C．by hand | D．with hand |
My cousin told me that he could eat three big apples _____.
| A．at time | B．at a time |
| C．some time | D．some times |
You will realize what I have done for you _____.
| A．any day | B．everyday |
| C．one day | D．a day |
As teenagers, we should study hard _____surf the Internet all day.
| A．rather than | B．instead of | C．not just | D．more than |
Please _____ your homework _____ before you hand it in.
| A．look; for | B．look; after | C．look; out | D．look; through |