Mọi người làm giúp em bài này với, chỉ cần điền đáp án thôi nếu ko nó dài lắm, em cảm ơn :) Bài 1: Chia động từ trong ngoặc ở thì quá khứ hoàn thành 1. The storm destroyed the sandcastle that we ______ (build). 2. He ______ (not / be) to Cape Town before 1997. 3. When she went out to play, she ______ (do / already) her homework. 4. My brother ate all of the cake that our mum _____ (make) . 5. The doctor took off the plaster that he ______ (put on) six weeks before. 6. The waiter brought a drink that I _______ (not / order). 7. I could not remember the poem we _______ (learn) the week before. 8. The children collected the chestnuts that _____ (fall) from the tree. 9. ________ (he / phone) Angie before he went to see her in London? 10. She ______ (not / ride) a horse before that day. 11. Kevin ______ (go) home by the time I arrived. Ethan suddenly realised that he _____ (leave) his laptop on the train.Mum was annoyed because I ______ (not clean) my room._______ (they / study) English before they went to the USA?We were hungry because we ______ (not eat). Bài 2: Khoanh tròn dạng đúng của động từ ở thì quá khứ đơn hoặc quá khứ hoàn thành sau cho phù hợp với ngữ cảnh câu 1. The robbers left / had left the bank when the policemen finally arrived / had arrived. 2. When the rain started / had started , the Atkinsons finished / had finished planting trees. 3. By the time Rebecca went / had gone into the store , she got / had got soaked. 4. Darcey saw / had seen this castle before she came / had come again last Sunday. 5. Mr.Palmer didn’t speak / hadn’t spoken any Chinese before he moved / had moved to Peking. 6. Sonny got / had got fainted by the time the ambulance reached / had reached the hospital. 7. When my mother brought / had brought me an apple , I finished / had finished my homework. 8. Mrs.Wilkinson refused / had refused to drive the car because she had / had had a terrible accident on the highway about a year ago. 9. I didn’t think / hadn’t thought of having a new house before I saw / had seen that ad on TV. 10. My uncle didn’t try / hadn’t tried Italian food before went / had gone to that restaurant. Bài 3: Chọn đáp án có ý nghĩa giống với câu gốc 1. I had already seen the film but I decided to watch it again last night. a. I watched the film last night for the first time. b. Last night wasn’t the first time that I had seen the film. 2. The boys were playing football while it was raining. a. The boys were playing football until it started to rain. b. The boys played football in the rain. 3. I was writing an e-mail when our computer broke down. a. Our computer broke down before I wrote an e-mail. b. I had started writing an e-mail and then our computer broke down. 4. My aunt bought me a lovely gift after she had spent the summer holiday with us. a. When the summer holiday was over, my aunt bought me a lovely gift. b. While my aunt was spending the summer holiday with us, she bought us a lovely gift