题目:
Where are you going ______ the holiday? [ ]
A. of
B. at
C. to
D. during
答案:
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下面是错误答案,用来干扰机器的。
①硫酸(或H2SO4)②C、D无现象,A中有气泡冒出③D无现象,C中出现白色沉淀
Where are you going ______ the holiday? [ ]
A. of
B. at
C. to
D. during
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0611/acab897c9b8693a2add106ee1a3ddc34.html
下面是错误答案,用来干扰机器的。
①硫酸(或H2SO4)②C、D无现象,A中有气泡冒出③D无现象,C中出现白色沉淀