It is high time for us to take measures to protect these old traditions and customs before

发布时间：2020-08-16 10:50:30


It is high time for us to take measures to protect these old traditions and customs before they     .
A. die out
B. die away
C. die off
D. die down

网友回答

(答案→)A. die out
B. die away
C. die off
D. die down
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