—he hasn't come is —he is busy writing his novel
he is very busy(writing)his papers.he is far too busy(to rec
he is writing () his notebook.
that he has not come is ___he is busy writing the papers
He is busy ( ) his homework.
---- he has finished writing the novel is unknown.
He is _______ in writing a love novel
He---his house yet,he is very sad A doesn't own B hasn't own
Where is Tom? He hasn't come to school today. I think he ___
I know he hasn't finished his work,but ____________,he is a
Mr Smith is busy now.He is writing a book
he is writing ___ his new pen .
It is possible that he hasn't finished his work.同义.It is ()(