He don't know____.A.what will

He don't know____.A.what will I don't know____.A.where will i sit B.when will I start. Do you know____?A.what he happened Children don't always know____.A.what to do it B.how to do i i don't know what he will do 和what will he do 那个正确 I don't know what I should do next.I dont know____ ____ do n I don't know____ he is going to the party or not tonight;I'l Is___your brother?No,I don't know____ The work is so difficult.I don't know____ A,how to doB.how t Do you know____?A.what he happenedB.what the matter is with there is a lot of food here.i really don't know____.A which I really don't know____ A where to travel to B how to solve