They are happy,they are d____.连老师都不知道……

They are happy,they are d____.连老师都不知道…… -Are they happy-Not they H( ) happy they are How () happy they are! They are happy.They are d_____ 是they are all happy 还是they all are happy 是having happy they are 还是have happy they are they are happy beyond words, how happy they are playing! They are happy的意思 Do they happy today?Yes ,they are. They are playing games_____(happy).They are very___________(