A. considerate B. voluntary C. moody D. lively

21. What I learn about this violence is ________ it has caused at least three deaths.

A. whether B. that C. what D. when

22. It had the dusty smell of an apartment ________ windows were rarely opened.

A. that B. which C. where D. whose

23. ________ his school uniform in the stadium, David rushed back to get it and an

acquaintance had taken it away.

A. To lose B. Lost C. Having lost D. Losing

24. I couldn't make sense of the passage. You must have ________ some important information while copying it.

A. found out B. held out C. given put D. left out

25. Tom was so wild about computer games that he would stay online for ten hours ________ a day.

A. in the end B. in particular C. on end D. on purpose

26. Doctor Wang says that ________ what forceful arguments against cigarette there are, many people insist on smoking.

A. though B. however C. no matter D. even if

27. In children's minds, winter is always _______ skiing, skating and making an snowman.

A. attached to B. blessed with

C. involved in D. associated with

28. Saving Private Ryan is an unforgettable anti-war film and also a story of courage and

_________ .

A. burden B. depression C. benefit D. sacrifice

29. More and more cancer patients _________ in hospital owing to polluted environment

and people's bad lifestyles.

A.treated B. have treated

C. have been treated D. had been treated