3. I passed the letter to Peter, _______ was sitting beside me.

a. which                       b. that                      c. whose                  d. who

4. These books, _______ you can get at any book shop, will give you all the information you need.

a. that                           b. whom                 c. which                 d. who   

5. That building, _______ was destroyed in the fire, is now being rebuilt.

a. who                          b. that                      c. which                 d. b and c

6. John, _______ I met yesterday, is very kind. 

a. which                       b. whose                  c. whom                   d. b and c

7. This bus, _______ I catch, stops outside the university.

a. which                       b. that                      c. whom                 d. where

8. Regina, _______ you have never met before, is a genius in painting.

a. that                         b. whose                 c. whom                  d. which

Mong mọi người giúp em với ạ. Em cảm ơn rất nhiều ạ