Đề thi giữa kì 2 Tiếng Anh 12 có đáp án (Đề 1)

It’s a sound you will probably never - Which of the following is

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Question: Which of the following is the main topic of the passage?

The effect of insects on trees.

The vibrations produced by insects.

The mission of the U.S Forest Service.

The sounds made by trees.

Giải thích

Đáp án D.