代理支付宝卡通不支持提现业务。
参考答案：错
It ______ me half an hour to reach the top of the mountain. [ ]
A. spent
B. cost
C. took
D. paid
称为胎儿-胎盘单位的激素
A．雌三醇B．雌二醇C．HPLD．HCGE．雌酮
