1. Fossil fuels _____ formed from plants and animals that millions of years ago.

   • C. were – lived
     (The correct past tense forms are "were" and "lived" to indicate that the formation of fossil fuels happened millions of years ago.)

2. There _____ over 10 million sheep but just 3 million people in Wales.

   • B. were
     (Use "were" for plural subjects like "sheep.")

3. They looked at our pictures, but they didn’t show us __________.

   • B. their
     (The correct possessive pronoun to refer to the pictures belonging to them is "their.")

4. Canada and _____ USA share _____ longest international border in _____ world.

   • B. the – a – the
     (Use "the" before "USA" and "world," and "a" before "longest" to specify the particular international border.)

5. Maori people in New Zealand like having _____ on their bodies.

   • C. tattoos
     (Maori people are known for having "tattoos" on their bodies.)

6. New Zealand has two main _____ - The North and The South, and lies next to Australia.

   • B. islands
     (New Zealand is divided into two main "islands.")

7. _____ has a unique culture with traditions such as bagpipes, kilts and highland dancing.

   • C. Scotland
     (Scotland is famous for these specific cultural traditions.)

8. A man from England is called a(n) _____.

   • B. Englishman
     (A man from England is referred to as an "Englishman.")

9. Jim wanted to _____ the boat alone, but his parents didn't agree.

   • D. sail
     (The verb "sail" is used for operating a boat.)

10. New Zealand is famous for the _____ beauty of its mountains and forests.

    • D. scenic
      (The adjective "scenic" describes the beauty of the landscapes.)

Since the passage provided is incomplete, I will assume the following typical questions related to the content:

• Scotland is known for its:
  A. Lowlands, Uplands, and Highlands
  B. Flatlands
  C. Deserts
  D. Tropical forests

Based on the passage, the most appropriate answer would be:

• A. Lowlands, Uplands, and Highlands
  (This matches the description given about Scotland's geographical features.)