Question

Mrs. Bond is an old friend of ________.

1. A.
   Jack mother
2. B.
   Jack mother's
3. C.
   Jack's mother
4. D.
   Jack's mother's

Answer 1

D
考查双重所有格。它的结构一般是“of+n.'s”。在本题中，Mrs Bond是Jack母亲的朋友。故选D。本题稍难。