The paper will become useless into pieces.A.after tearingB.when being tornC.afte
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The paper will become useless ________ into pieces.
A.after tearing
B.when being torn
C.after torn
D.when torn
试题答案
D

The paper will become useless ________ into pieces.
A.after tearing
B.when being torn
C.after torn
D.when torn
D