Of all the students, Li Lei is _______to Mr Wang.

Our classmates went to a concert yesterday afternoon.—What a pity! I my homework.

Jack is not in the office at the moment—Oh, he ______ those who are going to take the driving test in an hour.

n, you look blue. What’s wrong—There are so many papers _____. I’m really busy recently.

You must notice ________ the emergency exit is when you enter the building.