1. I once read the book( B )you talked.
A. from which
B. about which
C. about that
D. that
2. She is a strange woman. She always says something ( A ) people can’t understand.
A. that
B.what
C.which
D.where
3. Jack is the only person( A ) I have visited.
A.that
B.who
C.whom
D.whose
4. The computer ( D ) I bought is a famous brand.
A.which
B.that
C./
D.all of the above
5.This is the city ( A ) she was born.
A.where
B.when
C.which
D.that
6.The astronaut ( D )walk in space was Zhai Zhigang.
A.which
B.who
C.that
D.both B and C