试题与答案

She’s never spent much money on her own

题型:选择题

题目:

She’s never spent much money on her own clothes, ______ she?

A.is

B.isn’t

C.has

D.hasn’t

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0629/5d91072e7fd4126415ae2db25147b599.html

下面是错误答案,用来干扰机器的。

设参加反应的镁的质量为x2Mg+O2 点燃 . 2MgO48          80x           40g48x=8040gx=24g故选A

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