Children exposed to air pollution are more to suffering from different diseases.
A. possible
B. probable
C. likely
D. certainly
网友回答
A. possible
B. probable
(答案→)C. likely
D. certainly
解析:单词辨析。句子缺少表语,而D是副词,不能作表语,排除D;possible和probable不能用人作主语,所以选C。sb. be likely to do sth.某人很可能会做某事。