-- Why bother? There is too much rubbish here. You’ll never pick it all up.
--- Maybe not. But at least this part of the park cleaner.
| A．was | B．will be | C．had been | D．is |
When to a certain temperature,water can be turned into steam.
| A．heating |
| B．being heated |
| C．heated |
| D．to heat |
We don’t of her going to work in the fields in the sun.
| A．admit |
| B．agree |
| C．prove |
| D．approve |
—Did you see your sister just now?
—Yes,but she home soon afterwards.
| A．goes |
| B．had gone |
| C．is going |
| D．went |
—I think 20 dollars for it is OK.
—No,I’d gladly pay for it.
| A．twice as much |
| B．three times of what |
| C．the price twice |
| D．as much three times |
—Excuse me,what time is it?
—Sorry,I have no watch.
—
| A．What a shame. |
| B．Thanks anyway. |
| C．It doesn’t matter. |
| D．Why not buy one? |