Thereare_____studentsinourclass.Thatis19boysand21girls。
Chinesepeopleareverygoodattablet_____，andit'sourfavoritesport
Lookoutofthewindow.(改为否定句)
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Theseare______.Youcanbuyapairforyourmother.
What'syour_____fruit?
Wewouldbrushour_______(tooth)twiceaday.
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