He always watches TV on weekends.(改为否定句)Tim exercises (four times a week.)（对打括号部分提问）Katrina sleeps (nine) hours every night.（对打括号部分提问）late,he,surfs,at,sometimes,the,night,internet（连词成句）
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He always watches TV on weekends.(改为否定句)Tim exercises (four times a week.)（对打括号部分提问）Katrina sleeps (nine) hours every night.（对打括号部分提问）late,he,surfs,at,sometimes,the,night,internet（连词成句）
He always watches TV on weekends.(改为否定句)
Tim exercises (four times a week.)（对打括号部分提问）
Katrina sleeps (nine) hours every night.（对打括号部分提问）
late,he,surfs,at,sometimes,the,night,internet（连词成句）
He always watches TV on weekends.(改为否定句)Tim exercises (four times a week.)（对打括号部分提问）Katrina sleeps (nine) hours every night.（对打括号部分提问）late,he,surfs,at,sometimes,the,night,internet（连词成句）
He 【never】watches TV on weekends
How often does Tim exercise?
How many hours does Katrina sleep every night?
Sometimes,he surfs the internet late at night.
He never watches TV on weekends.
How often does Tim exercise?
How long does Katrina sleep every night?
Sometimes,he surfs the internets at late night.
祝你学习进步，天天开心！
He never watches TV on weekends.
How often does Tim exercises every week?
How many hours does Katrina sleep every night?
He sometimes surfs the internet at late night.