Вопрос по английскому языку:

III. (2 points for each item) Use the correct tense-form of the verbs in brackets.Между словами при вводе ответа ставим один пробел. Формы глаголов не сокращать.Ответы вводит после самого текста.

It 16(to happen)________ last August at the airport. A few weeks ago, a group of us 17(to decide)________ to go together for a holiday. When we 18(to wait)________ in the queue at the passport control I suddenly 19(to realize) ________ that I 20(to leave)________ my passport at home. I rang my parents, but they 21(to work) ________ in the garden. Luckily my mother 22(to hear)________ the phone. My passport 23(to find)________ in my trousers pocket. My mother 24(to say)________: “If you 25(to take)________ a taxi you 26(to be)________ able to get on the plane in time.” I was running all the way to the plane and when at last I 27(to get)________ on it the passengers 28(to start)________ to clap.