Hình chữ Nhật có chiều dài hơn chiều rộng 98m và chiều dài gấp 3 lần chiều rộng . Tính diện tích hình chữ nhật

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Cho minh xin dap an truoc nhe ti nua minh phai nop rui 21. Peter _______ an accident yesterday when he crossed the street. A. studied B. had C. played D. did 22. James is _______ judo in the playground with his friends. A. studying B. doing C. playing D. have 23. Linh _______ a headache so she is sleeping in her bedroom. A. does B. plays C. studying D. has 24. My dad is _______ a cup of coffee with his colleague in the living room now. A. plays B. study C. doing D. having 25. Williams always _______ breakfast with bread, egg and milk before coming to school. A. has B. plays C. studies D. does 26. Nick and Rosy usually help their mom _______ the chores at the weekend. A. study B. do C. playing D. have 27. He often _______ English vocabulary every morning. A. doing B. having C. studies D. plays 28. Phong _______ basketball with his younger brother three times a week. A. does B. has C. plays D. study 29. Emily sometimes _______ a chat with her pen friend in England. A. does B. has C. studies D. plays 30. Jane is _______ History at the moment to prepare for the final exam. A. studying B. doing C. playing D. has 31. You must _______ her report carefully before making a decision. A. do B. study C. play D. have 32. I can sing but I can't _______ the flute. A. play B. do C. study D. have 33. How is your first week _________ school? A. on B. at C. for D. to 34. My brother often helps me_________ my homework. A. at B. about C. for D. with 35. Megan is_________ badminton with her friends in the schoolyard. A. having B. studying C. playing D. doing 36. The villa is_________ by pine trees. A. surrounded B. built C. covered D. grounded 37. We do_________ in the gym every afternoon. A. table tennis B. football C. judo D. homework 38. _________ does Jane have science? ~ On Monday and Friday. A. Where B. What C. When D. What time 39. Nowadays, students often use_________ in mathematics lessons. A. rubbers B. calculators C. pencils D. dictionaries 40. My cousin goes to a_________ school, so she only comes home at weekends. A. boarding B. private C. public D. international