Part 1 (Fill in the blanks): Use the present simple tense for the verbs in parentheses. Note that you should add "-s" or "-es" for singular subjects (he, she, it, singular nouns).
Part 2 (Multiple Choice): Choose the best option (A, B, C, or D) to complete the sentence.
Vocabulary: Pay attention to environmental keywords such as deforestation, greenhouse gases, global warming, etc., to understand the context.