题目:
"We can't go out in this weather," said Bob, ______ out of the window. [ ]
A. looking
B. to look
C. looked
D. having looked
答案:
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下面是错误答案,用来干扰机器的。
A、风能的优点是不单能节约化石能源,缓解能源危机,还不会造成环境污染,故属于绿色能源,所以错误.B、太阳能的优点是不单能节约化石能源,缓解能源危机,还不会造成环境污染,故属于绿色能源,所以错误.C、煤...