题目

请求高人解决三道英语语法题
请求高人解决三道语法题
1.She_____ her hairstyle in her hometown before shi came to Chongqing for a better job.
A.changed B.has changed C.would change D.was changing
2.Whthin about 30 years from now,the first people from Earth___ on Mars.
A.will land B.have landed C.had landed D.will have landed
3.She____ in this school for the past 10 years.
A.was teaching B.had been teaching C.would teach D.has been teaching

提问时间：2021-04-12

答案

1.A had changed,但是changed也不是不可以.2.D within+将来时间,用将来完成时.3.D 现在完成进行时.for+时间段要用完成时.过去完成表示过去的过去,而这题并没有其他从句或时间表示事件发生在某个固定的过去时间的过去...