21.   The old man said the accident _______ careless driving, so a lot of money________ be paid by the driver.

     A. was due to; was due to                    B. due to; was due to

     C. is due to; was due to                        D. is due to; was dued to

22. He had no choice but to _________ an excuse to explain his being late.

A. make out                                       B. make up

C. make up for                                   D. make over