40. The children went home from the grammar school, their lessons _______ for the day.(07重庆)

　　A. finishing B. finished C. had finished D. were finished

　　41. In April, thousands of holidaymakers remained abroad due to the volcanic ash cloud.(2010)

　　A. sticking B. stuck C. to be stuck D. to have stuck

　　Keys: 1-5 ADCBD 6-10 CADBC 11-15 CDBCA 16-20 DCABC

　　21-25 AADBB 26-30 CBDCA 31-35 ABADD 36-41 CBABBB