Làm giúp em với ạ. VI. All of the sentences have one verb in the wrong tense. Cross and correct them. 1. It was lucky that we has decided to buy our tickets in advance.... 2. I was pleased to see my old friends last week as we didn't see each other since we finished our course..... 3. We have to wait for hours at the airport because the bad weather had delayed all the flights....... 4. We missed our train, so by the time we reached the theater, the play ended and the audience was leaving the theater ...... 5. At the end of their meal they found they couldn't pay the bill because they didn't bring any money with them..... 6. The children were thrilled when they unwrapped the electric toys but when they discovered that nobody bought a battery they were very disappointed............... 7. When I came out of the cinema I had found that a thief had taken my car radio........ 8. At first the authorities thought the athlete had been taking drugs, but they soon realized they mixed up the results of the tests..... 9. When the film star came into the restaurant I didn't recognize her because. I didn't see any of her film... 10. When we reached the city center we couldn't find a parking space, so we had decided to go by bus the next time............