Prices of daily goods ________ through a computer can be lower than store prices.

[　　]

We asked John and Jerry, but _________ of them could offer a satisfactory explanation.

[　　]

This was a serious accident ________ by unexperienced workers.

[　　]

Mr．Smith, ________ of the ________ speech, started to read a novel.

[　　]

She got her finger ________ yesterday.

[　　]

Our maths teacher set so difficult a problem ________ none of us worked it out.

[　　]

There are so many TV sets in the shops that I really don’t know ________.

[　　]

A．what to buy

B．which one to buy

C．to buy which one

D．which one should buy

I don’t understand what you’re talking about, would you ________ a little?

[　　]

Listen to the great thunders. It ________ rain pouring down.

[　　]

I had no ________ in the decision. I had nothing to do with it.

[　　]