问题描述：
There are (four desks) in the room.对括号内提问
None of the students knows the answer.（反义疑问句）
The car cost him a lot of money(同义句)
He __________________________
None of the students knows the answer.（反义疑问句）
The car cost him a lot of money(同义句)
He __________________________
问题解答：
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