Exercise 3. 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 I 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. Giúp mk với ạ MK đng cần gấp vs cả chỉ ra dấu hiệu nhận bt và cách làm với ạ