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

Câu hỏi

It is important that ecotourism _____ the level of education and activism among travelers.

A. to help increase

B. help increase

C. helps increase

D. helped increase

Đáp án
B. help increase

Câu hỏi thuộc Bài tập:

Unit 6. ENDANGERED SPECIES (Bài tập 2) - Tiếng Anh lớp 12