They must stay at the cages ,so they can't be____

They must stay at the cages ,so they can't be____ 34.It was raining hard,they has to stay at home.34.It was raining hard,they_____ stay at home.A.must B.would C.had to D.could前面是they为什么用has to 而不用must? they stay at home on sunday 、 I must stay at home.he （）stay at home ,too可填 must mustes must musting 分不多喝 同义句They could stay at home aloneThey could stay at home alone They - - to stay at home alone They stay at home all day.同义句 They stay at home （）（）（） Must she have to stay at home?改错 Must I stay at home?否定回答（两种） so the tow g-----must stay at home Mom is ill,so I must stay at home改错 You must stay at home.将陈述句改为祈使句 the children must stay at home tonight dui madui ma He must stay at home.句中的stay要加s吗?为什么? WHAT MUST THEY DO?TH EY MUST DO THEIR HOMEWORK请翻译下, they will stay at home tomorrow按划线部分提问stay at home是划线部分 She must stay at school,--she?must表推测,其反义疑问句是用doesn't They would stay at home if it___(rain)tomorrow. They will stay at home () it rains tomorrow.