if you know what the trouble is,why don't you help them to __the situation?(A )simplify( B)modify (c)verify (d)rectify 为什么选D啊?A不可以吗?

If you know what will you do If you do not know what the world m___,you can ask the teacher for help. What if some one you never meet:someone you never saw;someone you never know;Was the only someon...What if some one you never meet:someone you never saw;someone you never know;Was the only someone for you? 翻译:you can't tell others what's inside the bag on you back if you don't know it You will pass the exam ---you know the answerA.what B.which C.whether D.if 为什么? what can you find if you come to the club? what do they need wolunteers for? 都是什么意思?what club can you join if you like art？ How many instrumts do you know in the ad? What are they? 翻译 See if you know the words.翻译 翻译：if you know what I mean.Back to you. what if you know you could not fail If you don't know what you want是什么句型? what if you know you could not fail You may bring a bottle of wine if you know what the family ( )是填drink还是drinks? If you lose heart and don't know what to do,the memory of love will see you You may bring a bottle of wine if you know what the family ____.这一句中该填drink还是drinks? （）easily you will find it to use the computer if you know the functionA how B how a C what D what an what do you know about the Do you know what c___ the fire you know mp3,what's the best