At the side of the road stands a big board_____says "Welcome to Nan Lake"
问题描述：
At the side of the road stands a big board_____says "Welcome to Nan Lake"
which 还是 on which
答
应该是which
由于定语从句中缺少主语,所以填which,它在定语从句中作主语.
翻译为：路边矗立的大牌子上写着“Welcome to Nan Lake”.
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