A/ AN

Read the sentences below and write the words in the blanks. Do not forget to use the dictionary to check your doubts.

1. What's this? It's a .
2. What's this? It's an .
3. What's this? It's an .
4. What's this? It's a .
5. What's this? It's a .
6. What's this? It's an .

Now, have a look at the sentences above paying attention to the letter which follows "A" or "AN" and draw your conclusion. Then, click on the bulb and complete the next two blanks, please.