“把三关”是指把哪三关？
参考答案：
“把三关”是指把好总开关、严防简单过关或蒙混闯关、抓好问题解决关。
Excuse me, Mary, a reporter from Vanity Fair _______ all day. Could you speak to her now?.
A．has been phoning
B．phones
C．has phoned
D．phoned
《红楼梦》一书的别名共有几个？
