21. —What about seeing the new movie at the theatre tonight？
—
A.Never mind. B.Not at all. C.Why not？ D.So what？
22.Our class _______ of thirty-two boys and twenty-three girls.
A. composes B. concludes C. contains D. consists
23. Aquarrel _________, which made him ______ his family.
A. was broken out; break away B. broke out; break away from
C. was broken away; break down D. broke down; break out
