问题描述：
读句子,用所给单词的正确形式填空.
1.Sam never( )table tennis with his friends.They ( )good at playing basketball.
2.Who ( )good ai ( )in the calss?
3.Those ( ) are from Japan.They are ( )to visit Beijing in July.
1.Sam never( )table tennis with his friends.They ( )good at playing basketball.
2.Who ( )good ai ( )in the calss?
3.Those ( ) are from Japan.They are ( )to visit Beijing in July.
问题解答：
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