Is this your first time to come to Beijing？
A. Yes, it is.
B. Yes, I'd love to.
C. It's very big.
D. It's beautiful.
A) The woman can't take the message.B) Mr. Bush is in his office.C) The woman is b
A. The woman can't take the message.
B. Mr. Bush is in his office.
C. The woman is busy working.
D. Mr. Bush will be back soon.
（）是直接用计算机指令代码编写的语言，用二进制表示，是计算机唯一能直接识别和执行的语言。
微信支付 
支付宝支付