四级
You bought an air conditioner
in Sun Appliance and had it installed the other day, but you found
that the fan made too much
noise when
the machine operated. You demand the store to send a representative to check it up.
Write your letter in no less than 150 words. Do not sign your own name at the end
of the letter; use Li Ming instead. You do not need to write the address.
June 23, 2007