1.how do you know if milk has _____bad without tasting it or smelling itA.tasted B.smelledC.goneD.stayed(我知道AB两个选项不对,那C,D应该选哪一个呢?2.Sometimes in spring ,the old leaves from last year ______yellow and drop off.A.remain

how do you know How do you know? How do I know you? If you want to know the price.how do you ask the assistant?怎么回答(多种) If you do not know how ____(pronounce)a word,you find a dictionary. want to know,if this is not love,how should I do,can you tell me?” Do you know ()they enjoy it or not?A if B whether C how D what But you all do not together so ,even if she know again how 这句话 If you know what will you do What are you going to do if you are in a burning house?How will you escape'?Do you know how to sa If you like how you do do you know how much i love how much do you know really about do you know how to write How many color do you know? HOW MANY COLORS DO YOU KNOW? HOW MUCH DO YOU KNOW ABOUT How much do you know about AIDS