1.C 2,A 3,B4.No,because according to "If you don’t survive stage two successfully, you may fi nd yourself in phase three"and"If you survive this stage (or miss it altogether), however, you will move into the fourth stage "5.Because they will move backwards, spending their time speaking their own language, watching DVDs from their home country, eating food from home and associating with students who speak their own language.