40. --- What did you have for supper, Jack?
--- I had some _____.
cow B. ox C. bull D. Beef
In the opinion of some students, they don’t study for pleasure — their main ______ is to enter a famous university.
| A．policy | B．motivation |
| C．authority | D．devotion |
— Terribly sorry but I thought this was a parking lot.
— ______. Here is your ticket.
| A．That’s all right | B．Never mind |
| C．Don’t mention it | D．Sorry, that is no excuse |
You can read her own personal ______ of her experience in her diary.
| A．concept | B．account |
| C．reference | D．article |
I’d appreciate ______ if you could let me know in advance whether or not you will come.
| A．it | B．you | C．one | D．this |
— John has put forward ______ most challenging question for us to answer.
— Yes, it really is. I have never heard ______ harder one.
| A．a; the | B．the; the |
| C．a; a | D．the; a |