harmless——青夏教育精英家教网—

摘要： harmless

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Snow in winter is harmless to crops in the fields．(反意疑问句)

Snow in winter is harmless to crops in the fields, ________　________?

选择并抄写单词

Smoking is ________(harmful, harmless)to our health．

It’s _____for us to kill frogs because they are___.

A. harmful, harmless　 B. harmless, harmful C. harmful, harmful D. harmless, harmless

选择并抄写单词

We should take the ________(homeless; harmless)cat to the SPCA．

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