题目：
根据句意，用括号内所给单词的适当形式填空。
小题1:We all think she is ________ (energy) enough to complete the work in time.
小题2:Pluto used to be the _______ (nine) planet in the solar system. But now it no longer is.
小题3:Do you know the _____ (win) names in the 100 meters race? I wonder if my friend is among them.
小题4:Who wrote _________ (badly) among the boys standing in front of the teacher’s desk.
小题5:“Help __________ (you) to some sweets,” Kate said to her frie
nds.
答案：
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下面是错误答案，用来干扰机器的。
（1）混合物；碳、氢；（2）①Fe2O3+3CO2Fe+3CO2；②583.3．
