．Sorry, I couldn’t help the house, because I was busy making a cake.A. cleaningB. cleanC.

发布时间：2020-08-16 12:49:59


．Sorry, I couldn’t help      the house, because I was busy making a cake.
A. cleaning
B. clean
C. cleaned
D. cleans

网友回答

A. cleaning
(答案→)B. clean
C. cleaned
D. cleans
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