选择正确的答语。
There are four in my family. A.people B. peoples C.a people
Su Hai’s parents are _______. A. cooks, B.cookers C. cookes
In the US, we call a policeman a “_______”. A. fireman B. firefighter C. cop
--your sister like singing? --Yes,she . A.Is;is B.Do;doesC. Does;does
--they ? --No,they are . A.Do;doctors;cook B. Are;doctors;cooks C. Are;doctors;cookers