A.消息体内容主要是客户端的Cllenti
B.订阅的Topi
C.Messagel以及用户名和密码
D.消息体内容是一系列的要订阅的主题以及QoS
E.消息体内容是服务器对于SUBSCRIBE所申请的主题及0oS进行确认和回复
F.F.消息体内容是要订阅的主题
It’s rather cold in here. Do you mind if I close the window?().
A.Yes, please
B.No, go ahead
C.Sure, please
A.Sure
B.Oh
C.Yes
D.Well
If there is any change about the time of the meeting, please notify us().
A.on time
B.in time
C.in advance
- Bring me the bill, please. - _________
A:You are welcome.
B:Please wait for a moment, sir.
C:I'll hurry up.
D:Be quick.
- Can I speak to Mr. Brown, please?
- Yes, _________
A.this is me.
B.I am Mr. Brown.
C.Brown is speaking.
D.please speak.
—().
— My name is Helen, and I was born in 1980. My major was electrical engineering.
A.Tell me your name, please
B.Tell me a little bit about yourself, please
C.Tell me how old you are, please