Withhisattention
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问题详情:
With his attention ________ on his book, he didn't notice someone entering his room.
A. concentrating B. concentrated C. to concentrate D. concentrates
【回答】
B
知识点:非谓语动词
题型:选择题
问题详情:
With his attention ________ on his book, he didn't notice someone entering his room.
A. concentrating B. concentrated C. to concentrate D. concentrates
【回答】
B
知识点:非谓语动词
题型:选择题