58. I'm certain David's told you his business troubles. ______, it's no secret that he owes a lot of
money to the bank.（2006-湖北）
A. However B. Anyway
C. Therefore D. Though
59. — Mom, what did your doctor say?
— He advised me to live _____ the air is fresher. （2006-四川）
A. in where B. in which
C. the place where D. where
60. — Why didn’t you tell him about the meeting?
—He rushed out of the room _____ I could say a word. （2006-四川）
A. before B. until
C. when D. after
61. We don’t keep winning games _____ we keep playing well.（2006-浙江）
A. because B. unless
C. when D. while
62. In time of serious accidents, ____ we know some basic things about first aid,we can save lives.
（2006-重庆）
A. whether B. until
C. if D. unless
63. ______ most of the earth’s surface is covered by water, fresh water is very rare and precious.
（2006-上海春）
A.As B. Once
C. If D. Although
64. A dozen ideas were considered _____ the chief architect decided on the design of the building.
（2006-上海）
A. because B. before
C. whether D. unless
65. His plan was such a good one ______we all agreed to accept it.（2006-陕西）
A. so B. and
C. that D. as
66. This is a very interesting book. I’ll buy it, ________.（2006-陕西）
A. how much may it cost B. no matter how it may cost
C. however much it may cost D. how may it cost
课后作业2：1994-2005题组
1. Your uncle seems to be a good driver; , I wouldn’t dare to travel in his car.（2005-江西）
A. even so B. even though
C. therefore D. so
2. He transplanted the little tree to the garden _______ it was the best time for it.（2005-上海）
A. where B. when
C. that D. until
3. He tried his best to solve the problem, _______difficult it was.（2005-天津）
A. however B. no matter
C. whatever D although
4. The old tower must be saved, ______the cost.（2005-浙江）
A. however B. whatever