The drivers on the highway have to stop because the thick fog makes ____difficult to see. A,them B,i...
2023-01-04 04:26:37 9次 辽宁省20092010学年高一下学期期中考试试题（英语） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The drivers on
the highway have to stop because the thick fog makes ____difficult to see.
A,them
B,it C,that D,this
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