-How about the party in Tom’s house last night ?-- I don’t know. I was too busy to

问题补充：

---- How about the party in Tom’s house last night ?

---- I don’t know. I was too busy to attend it.

A. held

B. to hold

C. being held

D. to be held

答案：

A. held

B. to hold

C. being held

D. to be held

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