英语题(用have to,has to填空）
问题描述：
英语题(用have to,has to填空）
Sally's life is different to her friends' lives.On Monday Sally____sing in the choir,but her friends___(not).On Tuesday herfriends___piay the violin in the orchestra but she___(not).
答
has to
don't have to
have to
doesn't have to