阅读理解。
根据提示选择正确的答案。
（ 1. John Brown and Anna Smith are Alan’s ____________.
A. parents B. grandparents
C. brother and sister D. uncle and aunt
（ ）2. Mary is Sally’s ____________.
A. aunt B. mother C. sister D. friend
（ ）3. Ann is John Brown’s ____________.
A. son B. granddaughter
C. daughter D. grandson
（ ）4. Tom and Kate are Ann’s ____________.
A. cousins
B. uncle and aunt
C. brother and sister
D. father and mother
（ ）5. From the family tree, we know Sally has （有） ____________ cousins.
A. two B. three C. four D. five