---Must I answer it in English?---No, you _______. You can use Chinese.
—The accident was really terrible. —Yes, it was. The young man on the bicycle was too .
—To make our city more beautiful, rubbish into the river. —I agree.
—How long have you known the doctor ? —he helped me three years ago.
—Never touch my computer while I’m away. —.
—Do you know the man was talking to our English teacher? —Yes. It’s Mr Baker, our maths teacher.