John asked David how Christmas.A. celebratingB. to celebrateC. to be celebratedD. celebra

发布时间:2020-08-16 07:42:00

John asked David how      Christmas. 
A. celebrating
B. to celebrate
C. to be celebrated
D. celebrate

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A. celebrating
(答案→)B. to celebrate
C. to be celebrated
D. celebrate
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