in a后面加什么词性

in a后面加形容词，名词，宾格人称代词或者动名词做介词宾语；

in

prep. 在(某范围或空间内的)某一点;在(某物的形体或范围)中;在…内;在…中;进入；

adv. 在里面;在内;进入;在家里;在工作单位；

adj. 流行的;时髦的；

n. 执政者;门路;知情者

The new delivery service has taken off in a big way.

新的递送服务迅速走红。

This tool can be used in a variety of ways.

这一工具有多种用途。

There are only so many hours in a day.

一天不过这么几个小时。

They had achieved a lot in a short space of time.

他们在短时间内取得了很大的成绩。

Events could have developed in a dramatically different way.

事情本来可以发展成另一种样子。

In a way it was one of our biggest mistakes.

从某种意义上来说，这是我们所犯的最大错误之一。