Dr. Zhong Nanshan is a pioneer has made a lot of contributions (贡献) in the field of medical science.( )
A.whichB.whoC.whoseD.what
----______will he come back ? -----In a week.
They have to do a lot of work, ________ they?
()---Are you confident about the basketball match against Class 9, Yangyang? ----_________ I’ve got everything ready!
---- ______will Mrs. Lin go to Canada? ---- To see her daughter there.
-- _______is it from here to the station? -- It’s ten minutes’ ride.