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【简答题】
三级跳远助跑的加速方式有几种?特点是什么?
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皮皮学刷刷变学霸
举一反三
【单选题】--- What is the new trend here in winter? --- The new trend here is __________ in the cold. A. working in B. working at C. working out D. working on
A.
working in
B.
working at
C.
working out
D.
working on
【单选题】John is cooperating with Mary in writing an article.
A.
working for
B.
working out
C.
working in
D.
working with
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