2 câu trả lời
clean (v): house, floor, car, dishes, carpet, classroom, computer,...
clean (adj): air, water, environment, energy, teeth, technology, ...
1.clean uniform
2.clean page
3.clean clothes
4.clean a road
5.clean a room
6.clean a pot
7.clean a well
8.clean one's teeth
9. clean floor
10. clean water
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