-Do you know if Lucy will take charge of this program?-_______,does it?A It takes no time B It counts for nothingC It doesn't hurt to askD It doesn't make sense

If you know what will you do Do you know the girl ____(name)Lucy Who is Lucy ,do you know? Lucy?The girl_______a yeiiow T-shirt 句子不理解do you know if you have enough money? do you know lucy? can you tell me s___ about her? Do you know if ____back next week?If he ___ back,please let me know.为什么 Do you know if the man is badly ill 翻译 Do you know ----------he will be back.that或if, Do you know if they ______(play)basketball next time. can you tell me if...Do you know if ...I'd like to know if...三者如何区别can you tell me if...Do you know if ...I'd like to know if...这三者如何区别,如何使用? -Do you know if Lucy will take charge of this program?-_______,does it?A It takes no time B It counts for nothingC It doesn't hurt to askD It doesn't make sense Yes But if you know you will do it.I think you can do well I love you ,Do not know if you can do for you,Thanks i do not know if you _____.if you ____,please call me tonight(come) do you know that he is right?和do you know if he is right?哪个正确?为什么? -Do you know if they ____on a picnic?-If the weather ___fine tomorrow,they will. Do you know if she plays piano这里的 if 当什么讲呢 do you know if he will come为什么if后面用将来时如题,急