---He is fifteen years younger than you.
--- ?
| A．How come | B．So what | C．How then | D．if so |
Unfortunately my ear broke down and I was stuck here while it________ .
| A．was being repaired | B．was repaired | C．was repairing | D．would be repairing |
People always interrupted his before he________what he was trying to day.
| A．finishes | B．would finish | C．had finished | D．has finished |
---Where ________he go?
---I’m not sure, Madame. I think he said he had an appointment.
| A．does | B．will | C．did | D．would |
---What happened to the saleswoman?
---I don’t know. She________around here these days.
| A．hasn’t seen | B．didn’t see | C．hasn’t been seen | D．was not seen |
________he is pleased with his success, Robert wonders what will happen to his private life.
| A．As | B．If | C．When | D．Although |