What is he doing ?

What is he doing what is he doing now what is he doing ------he is p______b_______. Whois he What is he doing? what.is.he.doing的中文是什么意思 Little ------- about what he is doing What-------- interesting work he is doing 1.what is he doing?he is ----(read/reading)books I wany to know后面是加what is he doing 还是what he is doing? 请教What is he doing和What he is doing的句子成分 what he is doing 和 what is he doing有什么区别? What is he doing?,What does the boy do?