题目

生活中常常有两种情况需要预测：一种是；另一种是。 答案：【1】一个现象出现后随之会出现另一个现象【2】一个现象出现后随之会出现多种现象的可能The old man sat in front of the television every evening, happy ___ anything that happened to be on. [     ]A. to watchB. watchingC. watchedD. to have watched