Peter is b___ revising for a math test.He has no time to pla

Peter is b___ revising for a math test.He has no time to play.
比更深的蓝还蓝 1年前 已收到1个回答 举报

开头山 春芽

共回答了14个问题采纳率:92.9% 举报

usy
be busy doing 忙于做某事

1年前

7
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