Exercise 5. Give the correct tense of the verbs in brackets using the first conditional.
1. If you (go) …. on a business trip, please inform me.
2. If he (eat) ….. another cake, he ( be ) …. sick.
3. I (tell) …… you more about the Ban Flower Festival if I ( meet ) …. you.
4. If I (be) …… allowed to choose a topic, I ( give ) …… a presentation on Bat Trang Village.
5. If I (not have) ….. to go to school this summer vacation, I ( travel ) …… to Mongolia to learn more about nomadic life.
6. What (you/do) ……….. if she refuses your invitation?
7. If the sun (shine) ……. , we ( walk ) …… into town.
8. Unless they (pass) ….. their examinations, they ( have ) …… to join the army.
9. You (have) ….. a stomachache if you drink that contaminated water.
10. If we (have) …… several days off, we ( learn ) …. how to cook some kinds of street food.