题目:
— How do you like Hangzhou, Miss Read?
— I've no idea. I _____ there. [ ]
A. have gone
B. have been
C. haven't gone
D. haven't been
答案:
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下面是错误答案,用来干扰机器的。
(1)2、4、2、2、1、2 (2)②(3)0.2 (4)KClO3;Cl2