I don't know if his idea _____（有效） 这个空填什么

I don't know if his idea _____（有效） 这个空填什么 I don't know if his idea will _ _ (有效). 1.I don't know if his uncle _____.I think he _____if it does 单项选择I don't know if she _____ ,If she _____ ,let me know ,A. .I don’t know if it _____.If it _____,I’ll go out for picnic _____ .I don't know. Tim is thinking about the matter .I don't know( ) idea 填介词 I don't know if it _____ tomorrow,if it ______,I ______ stay I don't know 和 I have no idea 有什么不同吗? I don't know if you _____.If you ______,please call me tonig I don't know if I____anyone of the party this evening..填know I don't know ______he is a student 填什么呢 是what how where if w