摘要： drop
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--- ___________???? --- Drop in if you have time.
A. Well, I really have to leave now.??
B. I wonder if you could let me go now.
C. I’d like to go now.??????????????
D. Do you mind if I leave now?
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--- ___________ --- Drop in if you have time.
| A．Well, I really have to leave now. |
| B．I wonder if you could let me go now. |
| C．I’d like to go now. |
| D．Do you mind if I leave now? |
You ____ drop litter in the street in Australia according to the rules．
A．mustn't B．can C．maybe D．are able to
查看习题详情和答案>>Even a drop of water ______because it is so important to all the living things.
| A．must waste | B．must be wasted |
| C．mustn’t waste | D．mustn’t be wasted |