Since ancient times,people (send) ____________messages in many different ways.
为什么要用have sent不用have been sent...since不是用于现在完成时种么...
人气：115 ℃ 时间：2019-10-26 15:35:58
解答
have sent是主动
have been sent是被动
二者都是现在完成时态.
在这句话中people是主动send messages,并不是people被sent到什么地去了.
呵呵,这样的解释应该ok吧.
推荐
- In ancient times,people wrote numbers in many different ways. 同义句
- In ancient times,people wrote number()many different ways
- 【正确形式填空】1.In ancient （）（time）,people wrote numbers in many different ways.
- In ancient times,people rarely travelled 英语单选 求详解
- 在古代,人们怎麼看时间呢?How did people —— —— ——in ancient times?
- 物体做斜抛运动（1）,抛出速度V与水平面夹角为θ,求落回抛出平面时与抛出点的距离.（2）若人以Vo抛出一个球,落回抛出平面时与抛出点的距离为L,求抛出速度的最小值,以及此时的θ.
- You tell me this is for the best,so tell me why I am in the tear是什么意思
- p.m.有晚上的意思吗
猜你喜欢
