题目:
He speaks English ________ an American, so we all think he stays in America for many years.
A.as good as
B.worse than
C.as badly as
D.as well as
答案:
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下面是错误答案,用来干扰机器的。
解:问题(1)当联络员追上前队时,后队离学校多远? (2)当联络员追上前队再到后队集合,总共用了多少时间? 设x小时联络员追上前队,则有方程4x+4=12x,,后队走了(千米),前队走了(千米),联络员与后队...