Ex.6: a) She went to another store half a mile from her home in order to/ so as to get better milk with lower price

b) She called at flower shop on  her way to office in order to/ so as to buy some flowers for her friend's birthday.

c) She decides to go by bicycle in order to/ so as to keep fit.

d) He called an ambulance in order to/ so as to take victim to the hospital

Ex.7: a) I request you to use the fan or air-conditioner

b) I offer you to take some foods and drinks

c) I promise to try my best to learn to do better next month

d) I promise to bring it back before 6.30 pm

e) I offer you to buy a watch for your daughter