the rooms, we began to weed the garden. [ ] A.Cleaning B.Having cleaned C.Cleane
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![the rooms, we began to weed the garden. [ ] A.Cleaning B.Having cleaned C.Cleane](/pic/43_785805.jpg)
________ the rooms, we began to weed the garden.
[]A.Cleaning
B.Having cleaned
C.Cleaned
D.Having been cleaned
试题答案
答案:B