The traffic is heavy this day, I _____ arrive a bit late, so could you save me a place? 
| A．can | B．must | C．need. | D．might |
—Can I help you,sir?
—I’d like to exchange this shirt ______ a large size.
| A．for |
| B．with |
| C．of |
| D．to |
I ______ the dinner _____ I broke a glass.
| A．was cooking; as |
| B．was cooking; when |
| C．cooked; as |
| D．cooked; when |
It’s _____ that Mary is getting divorced. She’s just got married last month.
A.believing
B.admirable
C.unbelievable
In fact, we’ve developed a culture _____ people continually challenge themselves to improve upon their success.
| A．where |
| B．when |
| C．which |
| D．that |
—Did you have _____ great fun at the party?
—Yes.It’s _____ great pity that you missed it.
| A．/; / |
| B．a; / |
| C．/; a |
| D．a; a |