题目内容：

is this the park —————— you visited with your classmates last week
A,that B,which c,who d ,whom

优质解答

这个题其实A,B都可以选,这是定语从句,当现行词在定语从句中做宾语时可以用that/which

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再来一题， my cousin work in a factory ——————makes children‘s tools。 that when who what

追答：

这可选A,先行词在从句中做主语

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we find mars is very different________our planet earth A,我不会 B 谁会写 C ，好难啊 D谁教我？