第199页

信息发布者：
oi1
surveys
forms
coal
carelessly
empty
reuse
brushing
to avoid
harmful
filled
C
D
D
A
Not only he but also his father has been to Shanghai.

Try to use both sides of the paper.

Trees can help (to) keep soil in place.

When to begin depends on the weather condition.

He made many/a lot of/lots of mistakes. As a result, he 
lost his job.
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