21. I have graded only a small part of the pupils’ papers; there are still ______ to grade.
A. little more B. much more C. few more D. many more
22. I only know there are some new films for children these days. Why don’t you telephone the cinema ______ more details?
A. in B. for C. by D. to
23. In general, the number of students who enjoy reading popular science articles doubles _____ who prefer reading articles about learning methods.
A. those of that B. that of those C. one of those D. one of that
24. Why ______ I drive so many miles for a supper if I can easily find a restaurant nearby?
A. would B. might C. should D. could
