the room, a letter was laid on the ground. [ ] A.Entering B.Having entered C.He
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![the room, a letter was laid on the ground. [ ] A.Entering B.Having entered C.He](/pic/43_858549.jpg)
________ the room, a letter was laid on the ground.
[]A.Entering
B.Having entered
C.He entered
D.Mrs Green entering
试题答案
答案:D