The camera was _____ by his son and he had to have it repaired.

2. It is well known that China's great achievements in economic and social development over the past 30 years cannot be _____ its continuous efforts to push for rural reforms.

Ted is such a helpful colleague that he is willing to do, ________， any favour we might ask him.

After knocking down the old man, the inhuman driver left the accident scene in a hurry,         the law to punish him.

—Why was Professor Zhang unhappy recently？—Because the theory he insisted on _________ wrong.