He insisted that he his best and rewarded.A. had done must beB. did must beC. do shoul

问题补充：

He insisted that he his best and rewarded.

A. had done, must be

B. did, must be

C. do, should be

D. had done, be

答案：

A. had done, must be

B. did, must be

C. do, should be

(答案→)D. had done, be

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