Mother bought me a new bike as my birthday present, ____ made me very happy.

   A. that            B. which           C. as             D. it

Mother bought me a new bike as my birthday present, ________ made me very happy.

A. that

B. which

C. as

D. it

A. that

B. which

C. as

D. it

Mother bought me a new bike as my birthday present, ________ made me very happy．

1. A.
   that
2. B.
   which
3. C.
   as
4. D.
   it