问题详情:
If you feel tired and sick of fat food, that is ________ you have to go to the hospital for medical examination.
A. why B. whether C. when D. what
【回答】
C知识点:主语从句
题型:选择题
问题详情:
If you feel tired and sick of fat food, that is ________ you have to go to the hospital for medical examination.
A. why B. whether C. when D. what
【回答】
C知识点:主语从句
题型:选择题