He_______his experiments and made a great contribution to our country.A.dived himself into B.devoted himself intoC.dived into D.devoted to这个题应该选啥?为什么呢?请帮我分析下~我的英语很烂的..

这句英文句子有何语法错误.或者是哪个词语用错?请给出正解 .谢谢the experim he devoted his energy to succeeding at last He_______his teacher the next day/A wants to visit B wanted to visitHe_______his teacher the next day/A wants to visit B wanted to visit 过去进行时中when前用过去进行时,when 后用一般过去时对吗?比如下面这个句子该怎么填,并说明为什么.He_______his leg when he _________in the soccer game.(break/play) Does he_______his mother?a look likeb looks likec look likesd looked like其实很简单,不过我刚学,很菜,问朋友之后,他们告诉我的跟书上给的答案不同.郁闷ING中.到底选什么?为什么? 英语情态动词解析The fire spread through the hotel very quickly but everyone get out.A.had to B.would C.could D.was able toIf he started at 9 0'clock,he be there by now.A.need B.shall C.ought to D.mustThe professor gave orders that the experim He_______his experiments and made a great contribution to our country.A.dived himself into B.devoted himself intoC.dived into D.devoted to这个题应该选啥?为什么呢?请帮我分析下~我的英语很烂的.. I wonder if he_______ to our party tonight.……I wonder if he_______ to our party tonight.I believe if he_______his homework,he will join us.A、will come； will finish B、 will come；finishesC、comes；finishesD、comes； will finishes