if they go on doing so,the children will think they ==enjoy birthday parties every yearif they go on doing so,the children will think they( )enjoy birthday parties every yearneed should may would括号里应该填哪一个

问题描述:

if they go on doing so,the children will think they ==enjoy birthday parties every year
if they go on doing so,the children will think they( )enjoy birthday parties every year
need should may would
括号里应该填哪一个