Could I have an interview with Mr Green now, please— Sorry, he _________ a meeting. You’d better wait a minute.

For my homework I have to write a(n)______ about the wonders of the world.

A new study suggests that the more teenagers watch television,_______ develop depression(抑郁症) as young adults.

It is getting dark outside, Tommy. I must be off now.—___________

Are you going to see the film Going Home directed by Zhang Yimou tonight— No. I it on the Internet.