1/She said nothing so as not to wake the baby up                                                                      2/I'll write to mai in order to invite her to my birthday party                                                       3/I'm learning english in order to read books in English                                                        4/Nam does morning exercises reggularly so as to keep fit                                                     5/You should practice english every day in order to improve it rapidly                               6/Mrs.hoa gave up her job in order to have more time with her children                                7/You have to wear warm clothes so as not to catch a cold                                                      8/He hurried up to station in order not to miss the train                                                            9/He locked the door so that no one could disturb him                                                      10/M.rtan saves money so that he can buy a new house