It was in his childhood that he read most of the books (write)_______ by Mark.这里用被动,我知道,但是为什么不能用过去分词呢?过去分词啥意思啊?

It was a turning point in his career. in time it was easy to see that his heart was not in his work 怎么翻译 Ben’s key was in his pocket.Now it is_____.He can not find it. tom lives by the lake.his mother thought it was d__ to swim in it. It was his pride that ( ) in his failure in the final exam.A.resultedB.ledC.causedD.gave do you know ___made him successful in his caneer?A.what it was that B.it was what thatA 为什么 He was efficient in his It was reported that on the night ...It was reported that on the night of his death,theatres around the world were darkened in his honor. When he returned to his country,he found it was war.(at on in with) it was through his influence that the girl became interested in music.翻译并讲解 21.It was not until he arrived in class _____ realized he had forgotten his book. It was in the village___he once lived___he got his junior education. It was in this park that Jackson met his girl friend( ) the first time.填介词 He lost his w_____ yesterday .there was much money in it. it was in 1979 ( )his brother went to an university 填什么 And it was a gun he had in his hand.这句话对还是错? 翻译it was a method of refrigeration which rose from his work in low temperature physics It was his intelligence and hard work that (able) 1 him to succeed in his career.able怎么填？