My brother is very funny and he often makes us .A. laughB. to laughC. laughingD. laughed

问题补充：

My brother is very funny, and he often makes us .

A. laugh

B. to laugh

C. laughing

D. laughed

答案：

(答案→)A. laugh

B. to laugh

C. laughing

D. laughed

解析：考察非谓语动词。句意：我的母亲非常有趣，他常常让我们大笑不已。Make后接不带to的不定式做宾语补足语，表示使某人做某事，故选A