—I usually watch TV till 11 o’clock in the evening.—Really ? Are you __________?

 —Do you want to see the painting exhibition at the weekend?—I won’t see it unless I __________.

Mr. Li ____ to give a talk in our school yesterday.

 — Alice, you ______ on the phone.— I’m coming. Thanks.

We ______ to close the windows before we left the lab.