—Is that ______ orange?一Yes, the orange is green.
—Kangkang asked the old lady .A.she has seen a doctorB.whether she has seen a doctorC.if she had seen a doctor
We have lived in Longyan 15 years ago.A. for B. in C. since
The country is very poor. _____ of the people _____ enough food to eat.A. Two thirds; haveB. Two thirds; doesn’t haveC. Two thirds; don’t have
—Did you _____ climbing Mount Huang yeaterday?—Yes.We had a good time there.A.succeed in B.keep on C.give up
______ you study harder, you’ll fall behind others.A.Once B.Unless C.Until