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

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
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

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
would

should
表示义务或责任 应该，应当
need
需要；必须；必定
may
用于从句中表示目的](以便)能，可以
选may

may

may