老年人蛋白质提供的热量占总热量()。
A.10%~12%
B.12%~14%
C.14%~15%
D.15%~16%
E.17%~18%
参考答案:B
I took _____ with them. [ ]
A. photos
B. photoes
C. a photos
D. a photoes
春秋五霸是()