Bộ 3 Đề kiểm tra Unit 9 - Tiếng anh 10 iLearn Smart World có đáp án (Đề 3)

Some people believe that tourism has a negative effect ______________ the environment.

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

Some people believe that tourism has a negative effect ______________ the environment.

in

on

with

for

Giải thích

Chọn B