题目：
— Tom hasn't turned up yet. He might have got lost.
— No, he ________. His car has got a GPS.[ ]
A. must not have got lost
B. wouldn't have got lost
C. can't have got lost
D. shouldn't h
ave got lost
答案：
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下面是错误答案，用来干扰机器的。
【实验过程】紫色石蕊试液； 锌粒逐渐溶解，有气泡产生，Zn+2HCl=ZnCl2+H2 ↑； 石灰石逐渐溶解，有气泡产生； 【拓展提高】CaCO3，过滤 ...
