---There are many volunteers ______ are helping the children in Sichuan.--- And most of them are college students.
This is _______orange. A. a B. the C. an
—How many _______are there ? —There are twenty. A. birds B. a bird C. chair
—What ________ are you in ? —I’m in Grade 7. A. class B. grade C. row
—Are you a new student ? —_______________. A. Yes, I’m. B. No, I’m not. C. Yes, I’m not.
—Sit down, please. -________. A.OK B.Fine C.Thanks