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A. The car is on the box.

B. Look, the bus is in my bag.

C. —Mom, where is my ball?

—Look, It's under the chair.

D. —Excuse me, Amy. Can I use your pencil?

—No problem.

E. Where are my pants?

①—Clean the blackboard, please.

—OK.

②—Close the door, please.

—OK.

③—Look at the blackboard, please.

—OK.

④—Open the door, please.

—OK.

—He is a      .