—Mary was heard just now. What happened?—John was telling a joke.A. cryB. to cryC. laughD.

发布时间：2020-08-20 10:17:19

—Mary was heard     just now. What happened?
—John was telling a joke.
A. cry
B. to cry
C. laugh
D. to laugh

网友回答

A. cry
B. to cry
C. laugh
(答案→)D. to laugh
解析：英语中两个实意动词之间一般不能直接相连，后面一个要变换形式，根据下文约翰讲了一个笑话，可知应该选D，刚才听见玛丽笑了，发生了什么事？
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