--I don't think Professor Jones meant to be funny this morning, do you? --NO, al
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--I don't think Professor Jones meant to be funny this morning, do you?
--NO, although I Couldn't help _____ at some of his remarks．
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A．from laughingB．to have laughedC．laughingD．to laugh
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答案：
解析：此处can't help laughing情不自禁地笑了。 |