I’ve talked a lot about walking.      , I want to say it is a cheap, safe and enjoyable form of exercise.

The boy’s bad behavior at school __________ his mother many sleepless nights.

Boys in early adolescence are not _________ to the cinema because the film is not suitable for them.

Though these dresses are low in quality, they may ____to women who don’t want to spend much on clothes.

____ with what the students had done, the teacher praised them highly.

At the Olympic Games, only the athletes who have reached the agreed standard for their event will be______as competitors.

I was not bothered by his poor English ___ by his lack of manners.

With the living expense increasing rapidly, I, a fresh clerk in a company, have to take three part-time jobs, which _____ about extra $ 4,000 a year．

The suspect      for some way of escaping from the police car , but in vain .