第1个回答 2013-03-30
Today he must stdudy at home.主观的看法。
Today he has to studay at home.客观的看法。
第2个回答 2013-03-30
He must study at home today
第3个回答 2013-03-30
He must study at home today.
第4个回答 2013-03-30
he has to study at home
第5个回答 2013-03-30
He must study at home today 望采纳