A.Let me clean the classroom. | B.Let’s clean the classroom. |
A.teachers | B.teacher | C.teacher’s |
A.It’s on the desk. | B.It’s in the desk. | C.It’s on the chair. |
A.No, it is. | B.No, it isn’t. | C.Yes, it isn’t. |
A.What | B.When | C.Where |
A.Close your books. | B.Let me help you. | C.Put your books in the desk. |
A.Open the window. | B.Close the door. | C.Close the window. |