Mark the letter A, B, C or D to indicate the correct answer to each of the following questions.

Câu hỏi

The organisation focuses _______protecting the natural habitats of rare animals.

A. in

B. for

C. to

D. on

Đáp án
D. on

Câu hỏi thuộc Bài tập:

Ms. Dung Purple - Unit 9: Protecting the Environment - Vocabulary