(2013·甘肃部分示范学校调研考试)We often provide our children with toys, footballs or basketballs, that all children like these things.
A. thinking
B. think
C. to think
D. thought
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(答案→)A. thinking
B. think
C. to think
D. thought
解析：选A 考查非谓语动词。句意：我们经常给我们的孩子玩具、足球或者篮球，认为所有的孩子都喜欢这些东西。“ that all children like these things”在句中作原因状语，We与think之间是逻辑上的主谓关系，故用think的现在分词形式。