A.Who; They | B.Where; They | C.What; They’re |
A.isn’t | B.don’t | C.not |
A.to | B.too | C./ |
A.Come in, please! | B.Don’t talk. |
A. —Come in and close the door. —OK. B. —Good afternoon. —Good afternoon. C. —Close the window, please. —All right. D. —Sit down, please. —Thank you. |
A. | B. | C. |
A.Thanks | B.Hi | C.OK |