单项选择题

Joying placed the buckets at all public-access areas to （）

A. make new materials
B. preserve wetland and animals
C. have clean air
D. have clean water
E. collect cigarette butte
F. collect despoiled oil

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单项选择题
Rescue vehicles had a hard time getting to people．（）

A．Right
B．Wrong
C．Not mentioned
单项选择题
26（）

A. Provide Clean Water
B. Dig 0il Wells
C. Save Clean Water
D. Don’t Litter
E. Don’t Be Crude
F. Protect Wildlife
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