Sometimes (mouse)___ are very smart.

1. if i see) john, i’ll tell) him your news. 2. he will be) very pleased if it (is) really true. 3. if you (go) to town on monday, you (will meet) my brother tom. 4. if you (need) help, my father (will help) you. 5. we will have) a picnic lunch if the day (is) fine. 6. if you (ask) a policeman, he will tell) you the way. 7. i will   finish) the job tomorrow if i can). 8. i ( will not require) an umbrella if it(does   not rain). 9. if she thinks) it over carefully, she will form) a clear opinion. 10. if they catch) the bus now, they (will arrive) at half past nine. 11. he will find) the answers if he looks) at the back of the book. 12. if you want) me to, i will come) for a walk with you. 13. if he writes) to her, she will answer) at once. 14. if you wait) a few moments, the waiter will bring) your coffee. 15. he will lose) weight if he stops) eating too much. 16. if she is) patient, i will try) to explain. 17. i will wear) a purple tie only if i have to. 18. if we leave) at once, we will catch) the early train. 19. if he does) that again, his father will punish) him. 20. if she (drinks) this medicine, she (will feel) much better.