91 [填空题,0.7分] Put the following words in appropriate groups: How ________ with your work?( had you been getting, have you been getting, did you get; on, to, in )

91
[填空题,0.7分] Put the following words in appropriate groups: How ________ with your work?( had you been getting, have you been getting, did you get; on, to, in )

出自：当代英语语法概论

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