It has been proved ____ several new kinds of medicine____ a positive effect on the cure of H7N9.
The flowers _______ sweet in the garden attract the visitors to the beauty of nature.
If he knows the result, he is _______ to be disappointed. You know, he is eager to get the position.
Mrs. Brown helps me out when I have too much work to do, and I return her _______whenever I can.
This kind of cloth _______ well. I think it is worth _______.
-- I’d like some more cheese.--Sorry, there’s ______ left.