_____ of the students in our class has two storybooks. We_____ reading them.
—How many people did you see in the meeting room? —. A.Nothing B.No one C.None
—He is late for the meeting. — A.So I am. B.So am I. C.So do I.
—What a nice motorbike! How long have you it? —About half a year. A.had B.bought C.taken
There are several chemical factories waste water into the river. A.pour B.pouring C.pours
Last year,the population of that city 7,120,000. A.was B.were C.has