根據(jù)句意及漢語提示完成句子。
1. We must obey the traffic _____ (規(guī)則).
2.They often go out for a walk by the _____ (小溪).
3. It's too dark outside.I can't see the blackboard _____ (清晰地).
4. Has anyone got any _____ ( 建議) for how to solve the problem?
5. You _____ (一定不能) laugh at the people in trouble.
6. Maybe the little boy is _____ (非常餓的). Pass him a piece of bread.
7. The _____ (繩子) was not strong enough, so we must change it.