重病眼窝深陷,视不见人属( )
A.吐泻伤津B.阴阳竭绝C.气血两虚D.肝肾阴亏E.邪热炽盛
参考答案:B
I don't know _____ Susan will come tomorrow. _____ she comes, I'll tell you.[ ]
A. if; whether
B. whether; whether
C. whether; If
随机事件可以在相同的条件下重复进行。