英文文法請教 - 英檢

下列的文法題都是選哪裡有錯的
小弟不知想請教各位是文法哪裡有誤
1.The American Cancer Society（A） seeks （B） at increase（C）awareness （D）
about cancer.答案是給B是要把at改成in才對嗎
2.In the early 1900s,（A）renowned promoter P.T.Barnum evidenced an （B）
incredible ability to predict （C）to come trends and（D） popular opinion.
這一題答案是C是因為predict要接動名詞的關係嗎?
3.（A）Practical （B）none of Geronimo’Apache （C）warriors surrendered（D）
to United States government troops.
答案是A
4.Salt is（A）the most common food （B）seasoning,and has （C）no equal in its（
D） various of uses.
答案是D
5.By early 1995,（A）the population of Canada （B）had increased to （C）about
twenty five （D）millions.
答案是D
6.John Steinbeck’s insightful （A）novels on the lives of （B）factory workers
was the inspiration （C）for the （D）movie Cannery ROW.
答案是A
7.The structures of Stonehende （A）are ancient design,（B）but no one is （
C）certain of their（D） exact origin
答案是A
8.Pigeons,（A）like many migratory birds,（B）read the positions of （C）
the sun and stars in order to （D）orient them
答案是D
9.Gold （A）serviced as currency （B）for Canadian businessmen and（C）
traders befor the （D）widespread use of paper mony
答案是A
後面幾題我幾乎不懂錯在哪邊
請教各位高手指點
謝謝

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