红警3起义时刻大象1.3:Look! The boy is _________to his mother.

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Look! The boy is _________to his mother.
A run B running

B答案 一个句里应该只能有一个动词(单句)
有了IS 就不能有RUN 只能给他加个ING变成动名词。

B

Look表明正在发生,所以用现在进行时

B

B