----Miss Gao,_______ Betty.-----Betty,-----------Miss Gao。A.this is, she isB.this is, this isC.she is ,this
—Please open the window, Daniel. —________? I can’t hear you well.
—Which man is your Maths teacher? —________.
—Excuse me, what day is it today? —________.
—How does Lily go to school? —She often ________ to school.
—Does your sister have a new watch? —________. Well, she has a new clock.