用who,which或that填空

题目

用who,which或that填空
1.The person____spoke with me just now ia an engineer
2.The train____was going to Shanghai was late
3.The book____you need ia sold out
4.The first place ____we visited in that city was a factory
5.This is one of the best film____have been shown these days
6.My watch is not the only thing ____is missing

答案

1 who
2.which/that
3.which/that
4.that(因为有First,不能用Which）
5.that (因为有one of ,不能用Which）
6.that(因为有the only,不能用Which）