．Our teacher is very busy.He is ________ in working out a teaching plan.
| A．involve | B．involving |
| C．involved | D．to involve |
With his eyes ______ the family album, he thought of the fun he had when he lived with his parents.
| A．fixed on | B．fixing on |
| C．to be fixed on | D．being fixed on |
— Hi, Jack, would you like to join us in the sightseeing this weekend?
—Thank you, but I regret ______ you that I can’t, for I’m going to visit my grandparents.
| A．to tell | B．having told |
| C．telling | D．to be telling |
A healthy life is frequently thought to be ______ with the open countryside and home-grown food.
| A．cautious | B．associated | C．blessed | D．related |
It can’t be a (n) ______ that four jewelry stores were robbed in one night.
| A．coincidence | B．chance | C．incident | D．circumstance |
— I failed the exam.
— ______! You still have another chance.
| A．Don’t mention it |
| B．Cheer up |
| C．What a pity |
| D．That’s all right |