Trees __________every year to make our city greener.
—Alice,would you mind not playing the guitar?I________on the phone. —Oh,sorry,Mom.
—Be quiet!The baby________in the next room. —Oh,sorry.
—I can’t find my seat.Could you show me,sir? —________.May I see your ticket,please?
Look!The boys________football on the playground. A.played B.play C.are playing
—What does your mother do? —She is________.