The light in his office is still on. Do you know ?—In order to prepare for tomorrow’s meeting.

Lucy is a____ girl from America.

The chairperson received about three ______ applications to join the Bird watching Club.

The hazy weather has ________ for almost a week in North China. —Yes, and the government has tried to solve it.

Have you seen Mr. Smith?—Yes. Look, he _________with a parent in the office.