it is necessary to do sth
Is it necessary for sb to do sth 同义句
关于necessary.it is necessary to do sth.it is nec
I think it necessary to do sth.还是 I think it is necessary to
It is not necessary to do sth enjoy doing sth I like to have
翻译 大量阅读是必要的(it is necessary to do sth) _____________________
It is necessary to do 的例句
英语作文Is it necessary foryou to do sports?
It is not necessary to do this work
it is n.to do sth.
It is the first ...to do sth.
it is worth to do sth.
It is a pleasure to do sth.