----- Nội dung dịch tự động từ ảnh ----- III. Choose the best option A, B, or C. 1. The class starts_ A.at B.in 2. This is my friend. She is A.at 3. It often rains a lot A.at B.in B.in 4.I never go out A.at B.in 5.Please put your school bag A.at B.in 6. Her birthday is A.at 9.The meeting will be held A.at A.at 8.He always visits his old teachers A.at B.in B.in 10.She cycled to the beach A.at B.in 7. Many people attend an Easter service B.in 7:30 a.m. C.on B.in winter. midnight. June C.on grade 7B. C.on C.on wwwwwww the desk. C.on www C.on their local church. C.on Teacher's Day C.on the school hall C.on a summer afternoon C.on