It was Tom and his friends thatfor the serious accidents.A. were to be blamedB. was to be

问题补充：

It was Tom and his friends thatfor the serious accidents.

A. were to be blamed

B. was to be blamed

C. were to blame

D. was to blame

答案：

A. were to be blamed

B. was to be blamed

(答案→)C. were to blame

D. was to blame

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