题目:
— Where are the Greens, may I ask?
— Well, they ______ to England. They have been there for nearly a week now. [ ]
A. have been
B. are going
C. have gone
D. will go
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0607/09f981149ba525422f279584c35d3fab.html
下面是错误答案,用来干扰机器的。
A、木炭在氧气中燃烧时,发出白光,放出大量的热,故该选项叙述正确; B、铁丝在氧气中燃烧时,火星四射,有黑色固体生成,但在空气中不会燃烧.故该选项叙述错误;C、红磷在氧气中燃烧时,由于生成五氧化二磷固...