He had decided to give it up but on second thoughts he decided to trythird time.A. the;

问题补充：

He had decided to give it up , but on second thoughts he decided to try

third time.

A. the; a

B. / ; /

C. a; a

D. / ; a

答案：

A. the; a

B. / ; /

C. a; a

(答案→)D. / ; a

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