s :learn something,understand it or know it well
s :learn something,understand it or know it well
It's important ___(learn) English well
It's hard ______(learn) English well.
It's important to learn English well.
It's i_____ to learn English well.
It's necessary to learn English well.
we all know it 's useful ______English well.为什么是to learn ,有什
英语翻译1.How well you learn something,not how fast you learn it
i know that it's hard to understand
It‘s necessary for us___(learn)English well说明原因
It's not easy _____(learn) English well.
It's hard ________ (learn) English well.