hear sb do还是hear sb doing sth我在做卷子时 有不懂we often hear the baby in Room 302a.cried b.criesc.to cry d.cry

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hearsbdo还是hearsbdoingsth我在做卷子时有不懂weoftenhearthebabyinRoom302a.criedb.criesc.tocryd.cryhearsbdo还是hear

hear sb do还是hear sb doing sth我在做卷子时 有不懂we often hear the baby in Room 302a.cried b.criesc.to cry d.cry
hear sb do还是hear sb doing sth
我在做卷子时 有不懂
we often hear the baby in Room 302
a.cried b.cries
c.to cry d.cry

hear sb do还是hear sb doing sth我在做卷子时 有不懂we often hear the baby in Room 302a.cried b.criesc.to cry d.cry
两个都可以,前者强调动作的全过程,后者则强调正在进行.

see和hear后面即可接不带to的不定式，也可接动词v-ing形式，但含义有所不同。see(hear) sb. do sth.意思是“看到（听到）某人干了某事”，强调动作已经发生或经常发生。而see(hear) sb. doing sth.意思是“看到（听到）某人正在干某事”，强调动作正在发生。

d .hear sb do是听见某人做某事，hear sb doing sth是听见某人正在做某事

d

有hear sb do sth 听到某人做过某事，或者经常做某事；还有hear sb doing sth 听到某人正在做某事。

cry,选D，因为句子中有个often，如果用CRYING，是说正在做，有often就是经常的事情，所以不用crying.

都可以

hear sb do hear sb doing区别 是hear　sb to do sth 还是hear sb doing sth 是hear　sb to do sth 还是hear sb doing sth hear sb do 和hear sb doing 差别 Hear sb to do sth 和 hear sb doing sth hear sb doing ,hear sb do ,hear sb to do（有这样的吗?）区分 有没有 hear sb to do sth hear sb dong sth/do sth 如何区分hear sb do 与 hear that 从句 hear that 和hear sb do/doing 有什么区别? hear to do和hear sb.doing这些短语对吗 hear from sb. hear sb.in person hear of sb 近意词 怎样区别hear sb.do sth与hear sb.to do sth的用法? watch/see/hear+sb+do sth 和watch/see/hear+sb+doing sth hear sb do sth 和 hear sb doing sth 有什么区别? 恩 hear sb doing sth hear sb do sth 怎么造句啊