摘要： -What about going shopping together? -Sorry, I have a lot of homework . A. do B. to do C. doing D. did
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—What about going shopping together?
—Sorry, I have a lot of homework ____.
—Sorry, I have a lot of homework ____.
[ ]
A. do
B. to do
C. doing
D. did
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B. to do
C. doing
D. did