---________ hours do you exercise every day?--- Two.
English is___ useful language in ___ world.
There is ___ orange in the bottle.
—I’d like you to tell me something about Shen Nongjia.—I’m sorry, but neither Jack nor I ____ there.
—Do you know who took the students to the old people’s home, Tony?—Well, Mr. Smith _______.
—Look at these stamps. I them for five years. —Wow, they are wonderful.A. kept B. have kept C. have bought