问题补充:
I saw him basketball with Jack an hour ago.
A. plays
B. to play
C. played
D. play
答案:
A. plays
B. to play
C. played
(答案→)D. play
解析:see后面宾语可以接现在分词,不带to的不定式和过去分词作宾语补足语,不过含义不同. see sb. doing 表示看见某人正在做某事;see sb. do 表示看见某人做过某事;see sb. done 表示看见某人被…。句意:一个小时以前,我看见他和杰克打篮球了。结合语境可知选D。