Does Kate have ___ at home?[ ]
A. stay
B. staying
C. to staying
D. to stay
答案:D
黑方采用的是什么布局?()
A.屏风马
B.反宫马
与外阴白化病有关的因素是
A.遗传B.种族C.营养D.病毒感染E.紫外线