9. They couldn't understand each other because of the big age difference

→ They couldn't understand each other because ___________________.

12. This hotel is hightly rated because of its location and great service

→ This hotel is hightly rated because______________

14. She was scared because he saw poisonous snake in the grass

→ She was scared because of_____________.

9.They couldn't understand each other because of the big age difference.
→ They couldn't understand each other because the age difference was too big.

12.This hotel is highly rated because of its location and great service.
→ This hotel is highly rated because it has a great location and great service.

14.She was scared because he saw a poisonous snake in the grass.
→ She was scared because of the poisonous snake he saw in the grass.

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Câu nguyên nhân - "because":

+S + V + because + S + V

+Ví dụ: They couldn't understand each other because the age difference was too big.

Câu nguyên nhân - "because of":

+S + be + highly rated because of + Noun/Verb-ing

+Ví dụ: This hotel is highly rated because of its location and great service.

Câu nguyên nhân với "because of":

+S + be + scared/angry/etc. because of + Noun

+Ví dụ: She was scared because of the poisonous snake he saw in the grass.