I gave his book to read but after a page or two he would put book down and pick up new on

问题补充：

I gave his book to read, but after a page or two he would put book down and pick up new one．

A. a; the

B. the; 不填

C. the; a

D. a; a

答案：

A. a; the

B. the; 不填

(答案→)C. the; a

D. a; a

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