It's d______ to see and hear at back of the classroom.
问题描述:
It's d______ to see and hear at back of the classroom.
答
difficult 坐在教室后面看和听都很困难
答
这里应该填的是difficult,困难的意思.
It's __difficult____ to see and hear at back of the classroom.
在教室的后面想要看和听是很困难的.
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