----- Nội dung dịch tự động từ ảnh ----- 75.By the end of last March, I (study) English for 5 years. 76. He often (say) O.K when he (talk) with the guests. 77. What you (do) after you (go) home yesterday? 78.How long you (wait) for me? Just a few minutes. 79.He (do) his homework before he went to the cinema. 80.By noon, I (wait) for her for two hours. 81.By the time you come there, she (make) a big cake. 82. Yesterday thieves (break) into the house and (steal) a lot of fur coats while the guests (dance).