It _____ Jane and Mary who helped me the other day.
--- The MP3 cost me about 2,000 yuan. --- Well, it was crazy of you to spend so much money_____you could buy a cheaper one.
--- Do you have a plan for National Day holiday? --- I’m going to Thailand with my parents. --- _____.
This problem may lead to more serious ones if ____ unsolved.
After the professor____out the project made a comment on the report, the media focused on it.
Written in a hurry, ____.How can it be satisfactory?