Here are the correct answers for the questions you've provided:

24. There is **the** area on Planet Mars which NASA has named Glasgow.
**Answer: C. the**

25. Yesterday you probably brought my book home instead of **mine**.
**Answer: D. mine**

26. Angelina and Robert **aren't talking** to each other right now.
**Answer: B. aren't talking**

27. You **will pay** more money if you take a taxi instead of a train.
**Answer: C. will pay**

28. I once tried to **cook** apple pie when I was in London. It was really delicious.
**Answer: B. cook**

29. Fossil fuels **are formed** from plants and animals that ... millions of years ago.
**Answer: A. are - formed**

30. There were a lot of people on the bus. It was **more crowded** than usual.
**Answer: B. more crowded**

31. They looked at our pictures, but they didn’t show us **them**.
**Answer: C. them**

32. Canada and **the** USA share **the** longest international border in **the** world.
**Answer: D. the - the - the**

Feel free to ask if you need any more help!