Câu 4. My father has worked here ______ 2015. A. for B. since C. in D. on Câu 5. She is the ______ student in our class. A. good B. better C. best D. well

Little Wolf / QC câu 4: My Father has worked here ________ 2015 A .For B. Since C. in D.on Câu 5: She is the ______ student in our class A good B better C.best D.well Đáp án: Câu 4: My father has worked here ________ 2015. Đáp án đúng: B. Since Giải thích: Since + mốc thời gian (2015), còn for + khoảng thời gian (for 5 years). → My father has worked here since 2015. Câu 5: She is the ______ student in our class. Đáp án đúng: C. best Giải thích: Có cụm "in our class" nên dùng so sánh nhất. good → tốt better → tốt hơn best → tốt nhất ✅ well → khỏe, tốt (trạng từ) → She is the best student in our class. Đáp án: Câu 4: B. Since Câu 5: C. best