Giải SGK Tiếng anh 10 English Discovery (Cánh buồm) Unit 7 Focus review 7 trang 77 có đáp án

There are not many people in (4) big cities, because most of them have come back to their hometowns.

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There are not many people in (4) big cities, because most of them have come back to their hometowns.

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Giải thích

4. the