A.may | B.can’t | C.must |
A.Thank you | B.Certainly | C.I’m fine |
A.Yes. Here you are | B.That’s all right |
A.Are you | B.Is you | C.Is that |
A.Yes, I am. | B.Yes, they are. | C.Yes, you are. |
A.Are; cook | B.Do; cook | C.Are; cooking |
A.Are you doing exercise? | B.Can you do some washing? |
C.Do you like to do your homework? |
A.washing; am | B.wash; am | C.washing; am not |
A.Are; reading | B.do; read | C.do; reading |