—Is Mo Yan, the Nobel Prize winner, ______ best writer in China?—It’s hard to say. But he is really ______ very good writer.
--- Why do you often take exercise? --- _____ me keep fit.
--- We went to see the man who was in hospital yesterday. --- __________.
I am thirsty, Could you let me have _____ coke?
If H2 burn in O2, we can get _____.
I’d like some _______ and _______.