作业帮i can't understand________ at the poor little girlA they laughB their laughingC them to laughD them why laugh
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i can't understand________ at the poor little girlA they laughB their laughingC them to laughD them why laugh
i can't understand________ at the poor little girl
A they laugh
B their laughing
C them to laugh
D them why laugh
i can't understand________ at the poor little girlA they laughB their laughingC them to laughD them why laugh
understand sb.to do sth.理解某人做某事.
B
b
b 把understand 后面的都看做一个整体 所以their 后面用动名次形式
B understand动词后接动名词
B their laughing