—Do you like Zhou Jielun or Liu Dehua?— ________. I am not their fans

All of us found ________ hard to get along with him, he was too strict with others but not with himself. 

--How do you usually come to school, by bus or by bike?               --       . I walk.

--- What’s wrong with my son, doctor? --- ____________ serious, just a slight cold. He’d better drink some water.

Sam is a very good man. He always tries __________ best to help others.