This school / not / good as / one / I study / last year.
A. This school is not as good as the one I studied at last year.
B. This school was as good as the one I studied at last year.
C. I studied in a good as the one I studied at last year.
D. The school I studied at last year was not as good as this one.
(Cấu trúc so sánh không bằng: S1 + (be) + not +as/so + adj + as + S2)
Dịch câu: Trường này không tốt bằng trường tôi học năm ngoái.