x. Chọn phương án đúng nhất A, B, C, hoặc D. (Choose the best cation A, B, C, or D.) 1. There are three students the library. A. at B. in C. next D. front 2. The café isn't in the building. It is A. on 3. My mother is standing the building. B. between C. in D. opposite Ms Hoa and Ms Nhung. A. between B. beside C. opposite D. behind