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People feel safe in this neighbourhood because ____________ are installed everywhere
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Giải Tiếng Anh 11 Review 1 Language (trang 38, 39) - Global success
4. People feel safe in this neighbourhood because ____________ are installed everywhere.
A. smart cities B. smartphones
C. smart cars D. smart sensors
Đáp án:
4. D
A. smart cities: thành phố thông minh
B. smartphones: điện thoại thông minh
C. smart cars: ô tô thông minh
D. smart sensors: cảm biến thông minh