by end of last term 和last term 什么区别呢?She must have studied very hard "by end of last term",hadn't she ?She must have studied very hard last term,didn't she ?

by end of last term 和last term 什么区别呢?She must have studied very hard by end of last term,hadn't she ?She must have studied very hard last term,didn't she ? John said to his parents,''I had learned 500 chinese words by the end of last term.''变为间接引语by the end of last term不用改成by the end of the term before吗? They----[learn] over 2000 English word by the end of last term. They___(learn)several French songs by the end of last term.填什么?为什么? By the end of last term they ________ over 1000wordsA have learnedB had learned By the end of last term,they ___(work)there for ten years.能讲出为什么吗 We had learned over three thousand words by the end of last term .改为同意句 By the end of last term,they (or ten years.原因! by the end of last term是过去完成时的标志词吗 By the end of last term, they ___(work)there for ten years. We ___(be) to three countries by the end of last term. -----of last term,students had made lots of new friendsa.by the end b. in the end c.at the end d. to the end by the end of last John said to his parents,“I had learned 500 Chinese words by the end of last term.”这句话变为间接引语 怎么变?last term How many English words （）you（）（learn）by the end of last term?动词填空. By the end of last term,Miss Gao （）（teach）for more than thirty years 动词填空. How many english songs had you learned________the end of last term?How many english songs had you learned________the end of last term?A at B by C till为什么不可以选AC? 11.We had learnt more than 2,000 English words ______ last term.A.at the end of B.by the end of C.in the end of D.to the end