问题

studies have discovered that fathersuniquely contribute to the development of their children, _____ in low incomefamilies

A:one
B:it
C:which
D:that

正确答案是：

同类题型

25. — Real Madrid is sure to win the match!— It’s hard to say. You know, anything _____ happen even in the last minute.

Where did you get to know her?—It was on the farm we worked.

Last Monday, I bought a second-hand computer, ______ was very slow.

China Hengda＿well have won the football match, but I don’t know because I wasn’t there.

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