1.

A.his stapler

B.her marker

C.his ruler

2.

A. your ruler

B. her colored pencils

C. their pencils

3.

A. this book

B. that ball

C. these buses

4.

A.their black flag

B.her brown bag

C.our blue ball

5.

A.those erasers

B.that eraser

C. these swings

6.

A.He is in Class 4.

B.She is in Class 5.

C. He is Class 5.

 7.

A.He's 8.

B.She is 9.

C.He is 9.

8.

A.in our classroom

B.in your classroom

C.in their classroom

9.

A.Yes, it is.

B.No, it isn't.

C.Yes, they are.

D. No, they aren't.

10.

A.at the playground

B.in the classroom

C.over there