当你询问对方什么时候写作业时说:A. What are you doing ?B. When do you do homework ?C. Who are you ?
( ) it Shanshan’s ruler? A.Are B.Is C.Do
( ) Please someone me. A.help B.helps C.helping
( ) You can’t bring it school. A. of B.to C.for
( ) Which your umbrella? A. do B did C.is
( ) Let’s my umbrella. A.got B.has C.get