单项选择题

May I speak to your manager Mr. Williams at five o'clock
I'm sorry. Mr. Williams（）to a conference long before then.

A．will have gone
B．mustn't follow
C．couldn't have been following
D．shouldn't have been following

相关考题

I（）have gone with them, but I（）not finish my homework i...

单项选择题I（）have gone with them, but I（）not finish my homework in time.

A．would, did
B．should, might
C．might, should
D．did, would

Alexander Graham Bell invented（）telephone in 1876. A．on...

单项选择题Alexander Graham Bell invented（）telephone in 1876.

A．one
B．a
C．the
D．none of the above

May I speak to your manager Mr. Williams at five o'clockI'm sorry. Mr. Williams（）to a conference long before then.