1/ Car tires can be recycle to make pipes and floor___discovery___ ( cover)
2/ She's ___pleasant___ to know that her children's test result is good. ( please)
3/ Can you __explain__ what is means ?(explanation)
4/ A __representative__ is talking to the students of Quang Trung school ( represent) 
5/ Our (protect) ___prtotection____ of the environment is very improtant 
6/ We want to save ___natural____ resources (nature )
7/ Your ___explanation___ is very clear (explain)
8/ Waste paper is ___recycled____ by the students (recycle)
9/ There has been some ____reducion___ in employment so far (reduce)
10/ They had made __industrial___ quantities of food (industry) 
11/These products are __industrion__ friendly (industry)

1,discovery

2,pleasant

3,explain

4,present

5,prtotection

6,natural

7,explaining

8,recycled

9,reducion

10,industriom

11,industrion

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