many books____（send）to school since then为什么不写have been sent,而写had been sent

相关推荐

• many books____（send）to school since then为什么不写have been sent,而写had been sent
• 提一些英语问题It's twenty years he came to work in this school.A.that B.since 答案是B,为什没不选A?Stephen Hawking stressed to the interviews that his accomplishments would certainty have been achieved by others, A.never had he lived B.had he never lived C.he had never lived D.never had he lived为什么选B?这句话又如何翻译?Little i known when i took the trip where it could lead me.为什么用did不用had?He did not teach himself to paint he was in his twenties.这是一道填词题,我写的是before,答案是until ,不
• many books____（send）to school since then为什么不写have been sent,而写had been sent
• 220伏电源指示灯需要串联多大的电阻.
• 英语翻译