to understand the problem is very difficult .（改同义句）（　）（　）very　difficult　（　）understand　the　problem

The study of science helps us to understand the natural world better.Scientists are learning to pr Leave it to understand the love Dou' t wants to understand the love The woman is difficult to understand “Understand the shaft to be assembled”是什么意思? who do you prefer to fill the PR position?还是 whom do you prefer to fill the PR postion? 服装英语中PR是什么意思?是关于色办的原句是 The PR YOU NEED TO add the print pattern to it.想了很久都想不到PR是哪个部位?图片上PR是不是指print了？ 英语短文翻译 Education is Not an End （详细给20）they refuse to do what they think “low” work, and, in fact, work with hands is thought to be dirty and shameful in such countries. But we have only to think a moment to understand the pr They found the lecture hard to understand.为什么不是“to be understand”谢谢解答! It's easy to understand the question为什么用TO? And you have something for the driver to collect,I understand.这I understand get understand make understand哪个对?she couldn't ()her words()by the studentsa get understood b make understand c get understanding d make understandd make to understand The man manged to make himself ___ with his ___ Chinese.A.understood ,B.understand ,C.understand ,brokenD.understand,.brokenA.understood,breakingB.understand,broken someday you will understand were the first to love yourself. 英语翻译---------for me to understand the conversation in English movies the hardest thing to understand is time 怎么翻译 You will never understand To forget the pain,how long It's too hard to understand the voices翻译