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

Câu hỏi

It can be hard to accept, but everything we do ____ an impact on wildlife – we should be conscious of this.

A. have

B. has

C. has had

D. had had

Đáp án
B. has

Câu hỏi thuộc Bài tập:

Bài tập Trắc nghiệm Tiếng Anh 10 - Unit 10: Ecotourism (Vocabulary and Grammar)