如果你想了解对方正在做什么,你可以问: A. What are you? B. Where are you? C. What are you doing?
--What do they do,Jim? --They’re . A.a driver B. driverC. drivers
Helen is good at . A.dance B.danceingC. dancing
Can you help me my homework? A.doing B.forC.with
There are four in my family. A.people B. peoples C.a people
Su Hai’s parents are _______. A. cooks, B.cookers C. cookes