-- How was your trip to London ?-- Great . I was helped by an organization . Otherwise , I _____ it.
13. --Hi, Lydia. Are you going to the concert on Friday? - -I’d like to. But there are so many problems ____.
12. So little ____ about science that the lecture was ____ my understanding.
11. Information has been put forward ____ more measures will be taken to solve the economic problems.
10.–Don’t put the waste on the ground, young man. --Oh, I’m sorry. I ____ the dustbin there.
9. --I rang you yesterday afternoon. A man answered, but I didn’t recognize the voice. --Oh,it____ my uncle. He was in my room then.