英语 Must we drink 8 cups of watre a day.同意句
问题描述：
英语 Must we drink 8 cups of watre a day.同意句
答
Is it necessary for us to drink 8 cups of watre a day?
Do we need/have to drink 8 cups of watre a day?
Must 8cups of water be drunk by us every day?
答
do we have to drink 8 cups of water a day?
must 8 cups of water be drunk a day?
答
Do we have to drink eight cups of water every day?
must 必须 = have to
答
Do we have to drink 8 cups of water a day?