21.  Apart from providing her with an excuse to respond to his card, the idea in itself was a perfectly good one.

22.  Karen could never surely tell when Jessica was teasing her, and when Jessica found a good one she played it to the hilt.

23.  The first meeting with Stanley is not a good one for Blanche.

24.  One, a very good one from a firm of chain-store chemists, was still open.

25.  The design point is a good one so far as it goes...

26.  Do you think their reasons are good ones?

27.  Now this is a good one, making the training session interesting.

28.  Leeds had many such performances last season, but equally some very good ones.

29.  A good builder will be perfectly adequate, Sara said, and I know a good one in the town.

30.  Or perhaps that was why he would make a good one.