The old man has two sons, but_____ of them lives with him.

A. all          B. both          C. neither         D. few

The old man has two sons, _____are lawyers.

A. both of them   B. both of who     C. both of whom      D.  both of they

The old man has two sons．One is a soldier, ________ is a worker．

1. A.
   another
2. B.
   the other
3. C.
   the another
4. D.
   other