Know ledge is a must in international trade today.in 后为什么不加THE 这不是特指吗那什么事特指啊

Know ledge is a must in international trade today.in 后为什么不加THE 这不是特指吗那什么事特指啊 帮我解释几个英文句子I'm really puzzled what to think or say.we had better treat it as a joke.I think you can't see people in the round.know ledge is power. Look,a child is cryingHelp!Help!in the___of the lake A ledge B edge C middle D top 英语翻译The ash is so fine that it is impalpable to the touch but it can be seen as a fine layer covering the window ledge You must know it is unusual是什么意思? we must know if a car is traveling faster then it t-------longer to stop is a must 造句 tolerance is a must Do you know where your father is?I think he______on the computer A.must chaA.must chatB.must be chattedC.could chatD.could be chatting He ( ) know where her house is.A maybe B may be C may D must be 解释清楚 If you must know her name,her name is Mabel. Know ledge quiz an you show that eight 8's added together add up to 1000? 如 _I must apologize for__ahead of time._that is all right.A letting not you know B not letting you know C letting you know not D letting not you know是个对话 If you must know, his name is Peter.中must是什么意思— Who is the boy standing over there?— Well, if you _______ know, his name is Peter.A.must B.may C.can D.shall答案是A,为什么那,谢谢 ----Amazing!You ——wear slippers at work.---Do not you know it is a fashion?A must B should C can D may 情景交际题She is fatter,you know .She thinks if she is a singer ,she must be thinner上句是She is fatter,you know .She thinks if she is a singer ,she must be thinner.___________?Yes.She only eats a little fruit and drink some water.So she feel 一篇英语小作文的开头.大家看看哪里语法错误How time flies! I'll leave my school soon.I’m so happy.Because in the past six years,I learned a lot of know ledge.But I'm very sad.Because I have to say good-bye. You must turn to him for help.Only how to solve this prolem.A.knows he B,does he know C.he knows D.he is knowing