They _______ for Shanghai on Friday. Shall we go to see them off at the train station?

A. left                          B. were leaving             C. have left                   D. are leaving

 They ______ for Shanghai on Friday. Shall we go to see them off at the train station?

A. are leaving B. are left C. have left D. left

－They ________ Shanghai on Friday. Shall we go to ________ at the train station?

－As you said, that's a good idea.

[　　]

A．are leaving to, see them off

B．are leaving to, see off them

C．are leaving for, see them off

D．are leaving for, see off them

They ________ for Shanghai on Friday．Shall we go to see them off at the train station?

1. A.
   left
2. B.
   were leaving
3. C.
   have left
4. D.
   are leaving