Howlonghaveyoubeen
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问题详情:
How long have you been _____________ stamps?
A. collecting B. collected C. to collect D. writing
【回答】
A
知识点:动词和动词短语
题型:选择题
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问题详情:
How long have you been _____________ stamps?
A. collecting B. collected C. to collect D. writing
【回答】
A
知识点:动词和动词短语
题型:选择题