21.   Aviation experts think that closer examination of the wing may give them more information about the break-up of the plane.

22.   Aviation experts think the smoke-free trend will continue.

23.   Before the sale, many experts thought the painting would make a higher price.

24.   But after a strong move last year by investment-grade bonds, some experts think further bond rallies could favor the lower-grade issues and funds.

25.   But at this juncture, many experts think it increasingly possible that the incident was deliberate.

26.   But at least one expert thinks toxins could play a role.

27.   But few outside experts think the increase will be big enough to cause more than modest price reductions at the gasoline pump.

28.   But it may not seem that way for long, some experts think.

29.   But many experts think the Fed may still raise interest rates again.

30.   But most experts think that tomorrow should just be another day at the office.