A.must B.Can C.May |
A.I’m Su Hai | B.this is Su Hai speaking | C.I am |
A.Sure. | B.Yes, I can. | C.Sorry, I can’t. |
A.Thank you. | B.Fine, thank you. | C.I’m nine. |
A.Go to school. | B.Go and see the doctor. | C.Go and play football. |
A.Here you are. | B.Thank you. | C.I’m sorry to hear that. |
A.I’m; speaking | B.This is; speaking | C.It’s; speak |