① A : I prepared this present for you.

   B : Really? I really don't know what to say.

② A : I'm going too heavy. what should I do to lose weight?

   B : You'd better excercise every day.

③ A : I can't open this bottle. Can you give me a hand?

   B : Sure, it's nice of you to say so.

④ A : Will you take a walk with me?

   B : I'm sorry but I have to do my homework.

⑤ A : I'll help you out with the English assignment.

   B : Terrific! You are a great friend.