Look at those flowers,They need 选哪个啊to be wateringwateredwaterswatering选哪个啊 说下理由谢谢

问题描述:

Look at those flowers,They need 选哪个啊
to be watering
watered
waters
watering
选哪个啊 说下理由谢谢

They need watering .
sth needs doing = sth needs to be done ,
eg . The baby needs looking after . / The baby needs to be looked after . ,

watering.need doing something 有被动之意。

Look at those flowers,They need (watering).
瞧这些花.它们需要被浇水了.
sth need doing,某物需要被……,这个词组含有被动的意思.

第一个,花是被浇水的嘛,用被动语态