1.I'm sorry to tell you that all the tables have been reserved. You___ next time. A.must B. Shouldn't C.should D.ought not to 2.Mia told her son, James: "You'll be graduating from college soon. You ___ think about your future. A.must B.must not C.would D.don't have to. 3.the sign "Don't leave your belongings unattended" means that you ____ take your personal items wtih you A.should b.shouldn't C.would D.D. don't have to