21. Taylor was fined by ______ police because he did not have ______ driver’s license.
A. a; the B. the; the C. a; a D. the; a
22. If you know ______ it was that wrote Gone With the Wind, raise your hand.
A. whom B. which C. who D. that
23. Our parents and teachers often tell us that we _____be careful enough no matter what we do.
A. mustn’t B. shouldn’t C. can’t D. needn’t
