1.You ought___the matter to the manager the day before yeste

1.You ought___the matter to the manager the day before yesterday.A.to report B.to have reported C.to reporting D.have reported答案是B 为什么要用完成时?2.I cannot___the truth of your words,although they go against my interests.A.but admit B.but admitting C.help but to admit D.help but admitting答案是A 这个有什么结构吗?我选的D3.The boat will not arrive ____forty-four hours.A.in B at C.for D by答案是A arrive in不是加地点吗?