They saved a lot of money by the tickets in advance. (book) 2. They agreed the meeting after the lunch break. (continue) 3. He refused his mind. (change) 4. I avoided _ the early train because of the rush hour. (take) 5. She always wastes her time bad books. (read) 6. We had no problem _ from the airport to the train station. (drive) 7. Mary admitted _ during the English test. (cheat) 8. They were too lazy. out with us. (go) 9. I always enjoy _to my grandfather. (talk) 10. They decided Tennis in the afternoon. (play) 11. Paris is always worth to. (travel) 12. She promised _ the report as soon as possible. (read) 13. I might to Africa this summer. (fly) 14. He won't go by plane. He is afraid of. _ (fly) . 15. It is difficult him. (understand) Juli 0 ga en Ing form/ to form/ without to 16. Ann forgot _ (buy) milk and there isn't any in the fridge. 17. I tried (open) the window but I couldn't. 18. I'm sure I had my wallet with me because I remember _ (put) it in my bag before I

Чтобы решить эту задачу, нужно вставить правильную форму глагола — инфинитив с `to`, герундий (форма с `-ing`) или инфинитив без `to`. Вот решение с пояснениями: 1. They saved a lot of money by **booking** the tickets in advance. (book) - После "by" используется герундий. 2. They agreed **to continue** the meeting after the lunch break. (continue) - После "agree" используется инфинитив с `to`. 3. He refused **to change** his mind. (change) - После "refuse" используется инфинитив с `to`. 4. I avoided **taking** the early train because of the rush hour. (take) - После "avoid" используется герундий. 5. She always wastes her time **reading** bad books. (read) - После "waste time" используется герундий. 6. We had no problem **driving** from the airport to the train station. (drive) - После "have no problem" используется герундий. 7. Mary admitted **cheating** during the English test. (cheat) - После "admit" используется герундий. 8. They were too lazy **to go** out with us. (go) - После "too lazy" используется инфинитив с `to`. 9. I always enjoy **talking** to my grandfather. (talk) - После "enjoy" используется герундий. 10. They decided **to play** Tennis in the afternoon. (play) - После "decide" используется инфинитив с `to`. 11. Paris is always worth **traveling** to. (travel) - После "worth" используется герундий. 12. She promised **to read** the report as soon as possible. (read) - После "promise" используется инфинитив с `to`. 13. I might **fly** to Africa this summer. (fly) - После модальных глаголов (таких как "might") используется инфинитив без `to`. 14. He won't go by plane. He is afraid of **flying**. (fly) - После "afraid of" используется герундий. 15. It is difficult **to understand** him. (understand) - После "difficult" используется инфинитив с `to`. 16. Ann forgot **to buy** milk and there isn't any in the fridge. (buy) - В данном контексте "forgot" используется с инфинитивом с `to`. 17. I tried **to open** the window but I couldn't. (open) - После "try" используется инфинитив с `to`, когда речь идет о попытке что-то сделать. 18. I'm sure I had my wallet with me because I remember **putting** it in my bag before I left home. - После "remember" используется герундий, когда речь идет о воспоминании действия. Каждое из предложений требует особого объяснения в зависимости от используемого глагола или конструкции.