Hoàn thành các câu sau đây theo điều kiện loại 1 của những từ trong ngoặc.
1. If you (send) ___________ this letter now, she (receive) ______________ it tomorrow.
2. If I (do) ______________ this test, I (improve) _______________ my English.
3. If I (find) _____________ your ring, I (give) _____________ it back to you.
4. Peggy (go) ____________ shopping if she ( have) _____________ time in the afternoon.
5. Simon (go) _____________ to London next week if he (get) ___________ a cheap flight.
6. If her boyfriend (phone/not) ____________ today, she (leave) _________ him.
7. If they (study/not) ______________harder, they (pass/not) ______________ the exam.
8. If it (rain) _____________ tomorrow, I (have to/ not)_____________ water plants.
9. You (be able/ not) ___________ to sleep if you (watch) ___________ this scary film.
10. Susan (can/move/not) _______________ into the new house if it (be/not) ____________ ready on time.
11. If I (study) ___________, I (pass) ____________ the exams.
12. If the sun (shine) ____________, we (walk) ______________ into town.
13. If he (have) ___________ a temperature, he (see) __________ the doctor.
14. If my friends (come) ____________, I (be) ___________ very happy.
15. IF she (earn) ___________ a lot of money, she (fly) ___________ to New York.
16. If we (travel) ____________ to London, we (visit) ____________ the museums.
17. If you (wear) ____________ sandals in the mountains, you (slip) ____________ on the rocks.
18. If Rita (forget) _____________ her homework, the teacher (give) _________ her low mark.
19. If they (go) _____________ to the disco, they (listen) ____________ to loud music.
20. If you (wait) ___________ a minute, I (ask) ___________ my parents.
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