When I met him the other day, it was the first time we ____ each other since we were at school.  

——— Ring me at six tomorrow morning， will you? ——— Why that early?  I ______ . 

---How did the warm-hearted lady find you and return your lost bag?---She said that she           my bag on the bench with my name card in it.

Travelling in space has been made __________ possible with the development of science and technology.

Only a small percentage of the graduates ___________________ a job.