问题描述：
英语定语从句与表语从句
The place_____the bridge is supposed to be built should be ____the cross-river traffic is the heaviest.
空格处应该填什么,说明理由.
The place_____the bridge is supposed to be built should be ____the cross-river traffic is the heaviest.
空格处应该填什么,说明理由.
问题解答：
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