题目内容
用介词to,on,against填空?(1)Plants react_______ light.?
(2)Certain acids react________metals to cause chemical changes.?
(3)They reacted strongly_______ the unreasonable rules.
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题目内容
用介词to,on,against填空?(1)Plants react_______ light.?
(2)Certain acids react________metals to cause chemical changes.?
(3)They reacted strongly_______ the unreasonable rules.