Lan has spent two days ____________ hundreds of photographs so that she can put them in separate albums.

Câu hỏi :

Lan has spent two days ____________ hundreds of photographs so that she can put them in separate albums.

A. playing at

B. sorting out

C. cutting off 

D. filling up

* Đáp án

* Hướng dẫn giải

ĐÁP ÁN B

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