worked as 要用现在完成时吗?

无奈但不无赖2022-10-04 11:39:541条回答

worked as 要用现在完成时吗?
Lily ’s sister________ as a secretary since three years ago.
是选has worked 还是就直接worked?为什么?(选项就是这两个,不能用has been)
另:_____useful work they have done!
应该选What还是What 我记得我补课老师说过,如果中心词的名词虽然是不可数但是如果有作为单数时的意思解释的话,是需要加a的,那应该选哪个?

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ywolf123 共回答了17个问题 | 采纳率88.2%
has worked
since引导的从句中,主句应用现在完成时或过去完成时
work不可数不加冠词 选what
某些不可数名词受形容词修饰时可以带不定冠词,如:a mild climate, a good knowledge, a big supper, a fast lunch等.具体哪些不可数名词可以这样用,需视习惯而定.
1年前

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