52、If you have really been studying English for so long, it's about time you( )able to write letters in English.

14. Unfortunately, she was ( ) to tell the truth even to her closest friend.

11. ( )you( ) further problems with your computer, contact your dealer for advice.

30. Although Gutenburg developed his printing press with a limited use in mind , the cultural effects of mass printing have been ( )

29. Ten soldiers were ambushed and ( ) injured after the gunmen attacked the camp late at night .

28. The editor of Merriam - Webster pointed out that there are many reasons to look up a word in the dictionary ( ) than learning its meaning .

27. Through the story of two boys , this haunting and ( ) tale demonstrates the importance of preserving our humanity at all costs .

26. Few are spared from suffering in The Kite Runner, and the author ( ) from offering a simplistic happy ending .

25. Both official and unofficial records indicate that the war ( ) over 6 million people, resulting in the creation of the largest refugee population worldwide today .

24. The archaeological dig is almost without ( ) the most revelatory of its kind , and it has begun to transform our knowledge of life in the Bronze Age.

23. Unable to continue at her job and to pay rent , Vicky and her family were ( ) from their home.