Раскройте скобки, употребляя глаголы в Present Simple или Future Simple. (Все предложения отно­Сятся к будущему.) 10. He (to ring) me up when he (to return) home. 11. If it (to rain), we (to stay) at home. 12. She (to walk) home if it (not to be) too cold. 13. I am sure he (to come) to say goodbye to us before he (to leave) St. Peters­burg. 14. Please turn off the light when you (to leave) the room. 15. If we (to be) tired, we (to stop) at a small village halfway to Moscow and (to have) a short rest and a meal there. 16. If you (to miss) the 10.30 train, there is another at 10.35. 17. She (to make) all the arrangements about it before she (to fly) there. 18. Before he (to start) for London, he (to spend) a week or two at a health resort not far from here.