Jenny and Danny are putting ____________

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问题选择题

Jenny and Danny are putting ____________ the Christmas tree now.[ ]

A. up

B. on

C. in

答案

答案：A

单项选择题

In the Northern Hemisphere a wind is said to veer when the wind（）.

A.Changes direction clockwise，as from north to east，etc

B.Changes direction violently and erratically

C.Remains constant in direction and speed

D.Changes direction counterclockwise，as from south to east，etc

问答题简答题

什么是张力仪？