This is the man _____helped me yesterday. The teacher (______________) you want to see is coming. I met a boy ______father was a astronaut. Here is the coat _________will be made to you. This is the factory (_________) we visited last year. He has a book _____ cover (=the cover_______) is very beautiful.

who

who/whom/that

whose

which/that

which/that

whose

of which

（作定语）

(作主语)

(作see的宾语，可以省略)

(作定语)

(作主语）

(作visited的宾语，可以省略)