______ is even more important is ______ as the earth cooled down, water began to appear on its surface. A. What, that B. That, what C, That, that D. What, what
Han Han, a young writer, is famous _______ his novels.
Of all the works Stevenson has written, Treasure Island is probably his _______ work.
The reason for their failure, you know, was _______ they didn’t get fully prepared for it.
John promised his parents he _______ not smoke again, and he has not smoked ever since.
My brother left home five years ago. I _______ nothing from him up to now.