Đề kiểm tra 15 phút Tiếng Anh 6 Thí điểm Học kì 2 có đáp án (Đề 5)

Choose the word whose underlined part is pronounced differently.

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The word UFOs stands for Unidentified ______________ Objects.

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______________ pollution can cause breathing problems.

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I will ______________ a survey on the effect of water pollution.

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If you exercise regularly, you ______________ healthy.