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cans
newspapers
glass bottles
How do you sort the garbage？
A:I think ...should be reused.
B: What about ...?
A: I think...
Example
Recycled
Reused
Reduced
How to be a greener person?
shut off the electricity
n.电，电能
关闭
You should shut off the electricity when you leave a room.
=You ought to shut off the electricity when you leave a room.
Would you like to be a greener person?
ought to 应该 情态动词
ought to +动词原形
ought not to + 动词原形
You should take a cloth bag when you go shopping.
a cloth bag
n. 织物，布料
=You ought to take a cloth bag when you go shopping.
Don't use plastic bags.
=You ought to walk or ride a bike instead of taking a bus or a taxi if you travel a short distance.
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