Match the expressions under column A with their corresponding language functions under column B:
| A. Expressions | B. Functions |
| See you later, bye | –(i) asking for information. |
| Sorry I couldn’t follow | (ii) leave-taking. |
| Want a hand? | (iii) complaining |
| At what time does the train arrange? | (iv) request for repetition |
| I am sorry to say this. | (v) offering help |