[jiang]

Dear teachers,

I have three questions:

No.1

On TV every txi driver looks as if he had nothing ________to drive 90 miles an hour trying to keep up with another car, often in pouring rain.

a. more to do but b. better to do than
c. else to do except d. interesting to do besides

The key is "b". My question is "what about 'c'"?

No.2

Beyong determination, courage, and vision, I look for studetns with a growing sense of confidence. For I know from experience that confidence is ______necessary credential that ______college studetns must take away with them.

a. a, most b. the one, all c. one, all d. the, many
The key is "b". My question is "what about 'c'"?

No. 3

A really smart shopper does not buy what he or she can do with, but what he or she can't do without.

I don't understand the sentence. Could you please kindly explain the meaning to me?

Looking forward to hearing from you.

Thank you in advance.

Jiang