单项选择题
A. Evacuating the wounded. B. Preventing the aid from being stolen. C. Providing advice for reaching affected people. D. Providing jobs for Haitians.
A.They are not as dangerous as people think. B.They can be as friendly to humans as dogs. C.They attack human beings by nature. D.They are really tame sea animals.
A. Yes, he is used to doing it. B. No, he will leave it to other extras. C. Yes, he insists on doing it. D. No, he will let the experts to do it.