A few weeks ago, I had a 【C1】______ unusual flight from London to Khartoum. The flight was 【C2】______ to leave at a quarter past two, so I 【C3】______ at half past twelve,【C4】______ that I had plenty of time to spare. I was rather 【C5】______ to find that I had to pay $ 50 for 【C6】______ baggage, 【C7】______ , on the other hand, it was a relief to see the last of my suitcase, 【C8】______ was, I had to admit, extremely heavy. 【C9】______ the duty-free shop, I sat in the lounge waiting for my flight to be 【C10】______ . It 【C11】______ two o' clock there was no time, so I went back to the information desk. The ground hostess【C12】______ me that the plane would be leaving until a few minutes later than 【C13】______ , and I sat down again. Suddenly there was an announcement: 'Flight delayed until 17:45'. There was a collective 【C14】______ from the sitting passengers, but the airline then announced that it would provide us a free lunch, which 【C15】 ______us all a little. We 【C16】______ took off at 17:45.When we were 【C17】______ the air, the captain explained the cause of our delay.【C18】______ , just before we were originally due to board, a mouse had been 【C19】______ on the plane. As a result, the plane immediately had to be 【C20】______ from service. 【C1】