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学生说明
Tap 
Use the 
tool to move the pictures into the boxes. Cover the picture with a star when it gets called. If you get 5 in a row, shout BINGO!
教师备注（学生不可见）
https://docs.google.com/presentation/d/12dNdvkgX0YpmZx_9zjdjGi5BOZHQkA87oaNaJSECYhc/edit?usp=sharing You can use this slideshow to show the cards. Put it in presentation mode and tap on the numbers to see the card. Then tap on the smiley face to go back to the first slide.
