Did you ____ curly hair? [ ]
A. used to have
B. used to be
C. use to be
D. use to have
答案:D
We have to ____ ourselves when we are away from home.
A.look at
B.look for
C.look up
D.look after
急性肾功能衰竭患者可用下列哪种食物?()
A.火腿
B.韭菜
C.茭白
D.猪肾