(2010·福建漳州三中高三上第二次月考) 27. If you feel tired and sick of fat foods, that is ___________ you have to go to the hospital for a medical examination.
A. why B. what C. when D. whether
(2010·福建漳州三中高三上第二次月考) 27. If you feel tired and sick of fat foods, that is ___________ you have to go to the hospital for a medical examination.
A. why B. what C. when D. whether
C