_____all our kindness to help her, Sara refused to listen.

　　A.At

　　B.In

　　C.For

　　D.On

　　____beforewe depart the day after tomorrow, we should have a wonderful dinner party.

　　A.Had they arrived

　　B.Would they arrive

　　C.Were they arriving

　　D.Were they to arrive

　　____ conflict among city-states caused the eventual decline of Greek civilization.

　　A.Continuous

　　B.Continual

　　C.Constant

　　D.Contrary

　　____ he's already heard the news.

　　A.Chances are

　　B.Chance is

　　C.Opportunities are

　　D.Opportunity is

　　____ his knowledge and academic background, he is basically stupid.

　　A.But for

　　B.According to

　　C.For all

　　D.Thanks to

　　____ man can now create radioactive elements, there is nothing he can do to reduce their radioactivity.

　　A.As

　　B.Whether

　　C.While

　　D.Now that

　　____ of the burden of ice, the balloon climbed up and drifted to the South.

　　A.To be free

　　B.To free

　　C.Freeing

　　D.Freed

　　____ should any money be given to a small child.

　　A.On no account

　　B.From all account

　　C.Of no account

　　D.By all account

　　____the advances of the science, the discomforts of old age will no doubt always be with us.

　　A.As for

　　B.Despite

　　C.Except

　　D.Besides

　　____ the claim about German economic might, it is somewhat surprising how relatively small the German economy actually is.

　　A.To give

　　B.Given

　　C.Giving

　　D.Having given