The book had been sold out when I got to the books
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解决时间 2021-03-01 20:28
- 提问者网友：雾里闻花香
- 2021-03-01 03:42
The book had been sold out when I got to the books
最佳答案
- 五星知识达人网友：老鼠爱大米
- 2021-03-01 04:44
这是过去完成时,而has been sold out是现在完成时,before既可以做介词,又可以做连词,意思是在^之前.后面接句子时,是连词,如：I had taught in that school before I moved here.before后面接单词或者短语时,是介词.如：He came here before 12 o'clock.when没有介词的用法,做连词的时候是表示1.在……期间I loved history when I was at school.2.在……之后Call me when you are finished.3.在任何……的时候Can you spare 5 minutes when it is convenient.4.一……就He had just drifted off to sleep when the phone rang.5.考虑到How can they expect to learn anything when they never listen?6.虽然,可是She claimed to be 18,when I know she is only 16.when可以做副词eg：when did you come?
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- 1楼网友：不如潦草
- 2021-03-01 06:01
这个问题我还想问问老师呢
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