it was necessary加什么介词

问题描述

精选答案

加介词to，例如：

1. It was necessary to discover the truth or otherwise of these statements.有必要查证这些说法的真实性或虚假性。

2.It was necessary to step back from the project and look at it as a whole.有必要退一步，全面地审视一下该项目。

3. It was necessary to overexpose this positive record in order to enhance the presence of the plankton bloom.为了使大量繁殖的浮游生物的形象得到增强，必须使这一波段的正片记录曝光过量。

其他回答

造价小白杨

it was necessary加介词to。