---_______room is small, but it’s very nice and tidy. ---Really. Let’s go and see.

A. Lily’s and Lucy’s      B. Lily and Lucy    C. Lily and Lucy’s  D.  Lily’s and Lucy

________ room is big and bright．They like it very much．

1. A.
   Tom and Sam
2. B.
   Tom’s and Sam
3. C.
   Tom and Sam’s
4. D.
   Tom’s and Sam’s

Room 110 on the second floor is the _______ office. I know some of them.

1. A.
   doctors
2. B.
   doctor's
3. C.
   doctors'
4. D.
   doctors's

________ room is on the 5th floor.

1. A.
   Tom and Bob
2. B.
   Tom and Bob's
3. C.
   Tom's and Bob
4. D.
   Tom's and Bob's