What for is tomorrow his birthday?

What for is tomorrow his birthday? What is will he do for his birthday? what is for tomorrow? 是What is his birthday还是When is his birthday? Is Jim's birthday tomorrow.what shall we buy for ( ) A.hisB. What does David want for his birthday? what about going to attending his birthday party tomorrow? 几道英语的词汇题1 It is his birthday tomorrow .We are going out for My brother has r______me that tomorrow is his birthday Today is his ____________ birthday. Tomorrow he will be sixt What is his birthday要改成同义句：When ____he____ when is his birthday? 句子开头为什么不用what?