——Jack? Jack? Can you come?
——I         my homework.

—Hurry up! We     for you at the gate.
—I’m sorry,I’m coming soon.

—Today's young people can't live without smart phones.
—They keep their hands on the phones wherever they go, even while they     meals.

Now Jerry            the exchange programme with his classmates in the meeting room.

The zoo keeper is worried because the number of visitors         smaller and smaller.