They saw her ________ when they passed the classroom.

1. A.
   to dance
2. B.
   dance
3. C.
   dancing
4. D.
   danced

We saw a film yesterday evening．Mr．Smith sat between ________．

1. A.
   Tom and I
2. B.
   Tom and me
3. C.
   I and Tom
4. D.
   me and Tom

I saw a cat ________ the tree when I was walking in the street.

1. A.
   in
2. B.
   on
3. C.
   up
4. D.
   at

 I saw Li Ming ________ near the river on my way home.

A. plays                                    B. playing

C. to play                                  D. played