are my cousins, and           is my brother.

A. This; that    B. These; those    C. Those; that    D. That; this

_____________ is necessary __________ he trains himself before the Guangzhou Marathon.

--Hello!  565-4327. Who's       ?

     --       is Mary.

      A. this; That          B. this; This      C. that; That     D. that; This

______ are my sister’s pencils and ______ my ruler.

1. A.
   Those; that
2. B.
   These; that’s
3. C.
   This; that’s
4. D.
   That; this is

_____________ is necessary __________ he trains himself before the Guangzhou Marathon.

A. This, 不填??????????? B. The, 不填????????? C. It, that????????? D. This, that