The worker you had been thinking highly         selfish.

I wrote a letter of complaint, and the airline has promised to _____ the matter.

-- I heard a student killed his mother cruelly.-- So did I. It has ____ a serious problem about the education system in China.

 It didn’t ________ to me that the naughty boys should have ________ to prove what we discussed the day before. 

While crossing the street, an old man was knocked down by a car and badly __________.