题目内容
He is always able to make us ____ in class. We usually feel happy while learning English.
A.laugh | B.to laugh | C.laughing | D.to laughing |
A
在主动句中使役动词make后常跟动词原形做补语,故选A。

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题目内容
A.laugh | B.to laugh | C.laughing | D.to laughing |