I am sorry ____________ written you a letter at the time.
B.to not have
C.not to have
D.not having
B.to not have
C.not to have
D.not having
B.What are you doing?
C.Sure. Sorry to disturb you.
D.No, I don’t think so.
A.So do I.
B.Sorry, it doesn’t matter.
C.Yes. It’s a good idea.
D.I don’t mind.
A.Pardon me?
B.I’m sorry
C.Yes, I don’t understand
D.I’m not understanding
A.terribly
B.extensively
C.too
D.much
A: I'm sorry to hear that.
B: How are you feeling now?
C: How long have you been sick?
D: Do you have a temperature?
A、so does Dave
B、so is Dave
C、so goes Dave
D、Dave is so
A.交换模块(SM)、通信模块(CM)和管理模块(AM)
B.交换模块(SM)、通信模块(CM)
C.交换模块(SM)、管理模块(AM)
D.通信模块(CM)、管理模块(AM)
A.Didn’t I tell you?
B.Did I say it right?
C.Is what I said right?
D.What did I say?
A、one.
B、it.
C、some.
D、that.