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Kitty is ________ six years old. ( )
6个月前
The boss was late for the meeting because his alarm clock didn't _____
9个月前
在水平位置静止的小磁针,转动它底部的支架发现上面的小磁针不动,其原因有二:一是由于磁针受到_______ 力的作用,二是由于小磁针具有_______。
1年前
This coat doesn't fit him well, as he has ________ a huge body and the coat is________ small.
1年前
三角形内部有2右右8个点,将这2右右8个点与三角形的三个顶点连接,将三角形分割成互不重叠的三角形共( )个.
1年前