—Do you think ________will be robots in the school in 20 years?—No,________.
Did you know _____?A. how much did the bike costB. where he livesC.if he bought a camera yesterday
Look! There is a pet dog____on the ground.Let’s go and play with it.A. lie B. lay C. lying
I don’t know _____A. where does he come fromB. what is his nameC. how old he is
Money is important in my life. But it isn’t _____ to me.A. everything B.nothing C.anything
---Which sign can’t be seen on the road? ---_____.A. B. C.