复习以下单词：

phone telephone call cell cellphone mobile mobile phone
sleep wall sleepy sleeping sleepwalk home family house
town work sick land land animals landmark
hometown homework homesick homeland motherland
new old news paper newspaper
day week month year
must joke chopsticks serious seriously
steel tap tapped tap water
smoke sweep swept
snowman snowball roof
fall fell heself
dress up
carnival busy trailer lady ladies gentleman gentlemen
break broke broke down

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