Glad to see you back. How long _______ in Russia?
| A．did you stay | B．have you stayed |
| C．were you staying | D．have you been staying |
He hurried to the station only _______ that the train had left.
| A．to find | B．finding | C．found | D．to have found |
The organization is badly _________ of hands.
| A．relevant | B．donated | C．in need | D．dying |
Do you remember the chicken farm _____ we visited three months ago?
| A．where | B．when | C．that | D．what |
I was about to go to bed _____ one of my old classmates made a call to me.
| A．when | B．as | C．while | D．that |
After Yang Liwei succeeded in circling the earth, Chinese astronauts __________ walk in space.
| A．anxious to do | B．eager for | C．are dying to | D．are longing to |