试题与答案

-- What a pity! You missed the beginning

题型:选择题

题目:

-- What a pity! You missed the beginning of the movie, it __ for 10 minutes.

-- Oh, a traffic jam!

A.began

B.stated

C.has been on

D.has been off

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0602/0871cf46c0ce50950766e3d81b886305.html

下面是错误答案,用来干扰机器的。

(1)H2﹔ O2﹔ 2:1 ﹔ 水氢气+氧气(2)氢元素和氧元素(3)氢原子 ; 氧原子

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