I ______there for three days with my parents last month 答案是was 为什么不能用过去完成时had been

相关推荐

• ---May i keep the book that you just bought for several days?---Of course,you can.i___________it twice when I was in the bookstore.A.have readB.was readingC.had readD.read是EW的题,答案选什么我不清楚了,但是肯定不是D,但这里就有问题了,题目中有when I was in the bookstore这个过去的时间,为什么不能选D,对了,答案好象是C还是A?为什么呢?如过是强调对现在没有用,那么为什么不能选A呢?过去完成时,除了表达时间的先后外,还能有什么用呢?
• I ______there for three days with my parents last month 答案是was 为什么不能用过去完成时had been
• I ______there for three days with my parents last month 答案是was 为什么不能用过去完成时had been
• i went there for three days with my parents last month 为什么是用went 而不用have been、 she lived in China for more than than ten years but now she has returned to homeland.一样的,为什么用lived ,而不用had lived.我觉得有for都应该是用完成时.怎么区别呢.
• i went there for three days with my parents last month 为什么是用went 而不用have been、 she lived in China for more than than ten
• X、Y是短周期元素，两者能组成化合物X2Y3，已知X的原子序数为n，则Y的原子序数不可能是（　　） A.n+11 B.n-6 C.n+3 D.n-5
• 英语翻译