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Cho A=1-2+3-4+...+99-100 tính A A có thể chia hết cho 2 cho 3 cho 5 ko A có bn uoc tu nhien uocws nguyên
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Bài 1: Câu 1: All of the students, but Tom went to the meeting A) Tom went to the meeting; and so did all of the students B) Except for Tom, all of the students went to the meeting C) All the students, especially Tom went to the meeting D) All the students, including Tom went to the meeting Câu 2: My parent is living with me. My younger sister is living with me too A) Either my father or my younger sister is living with me B) Neither my father nor my younger sister is living with me C) I live with my father but my younger sister doesn't D) Not only my father but also my younger sister is living with me Câu 3: My wife didn't leave me any money, so I couldn't buy anything A If my wife left me some money, I could buy something B Without my wife's money, I could buy something C Had my wife left me some money, I could have bought something D Had my wife left me some money, I could buy something Câu 4: Do you think we will find a solution........ the problem? A to B for C of D about Câu 5: ''Who is Mr. Madely?'' I have no idea. I've never heard .......... him A about B from C after D of Câu 6: I knew that he was poor. I offered to pay his fare A Know that he was poor, I offered to pay his fare B Known that he was poor, I offered to pay his fare C Having known that he was poor, I offered to pay his fare D Being known that he was poor, I offered to pay his fare Câu 7: We are confident (A) that we will be ability (B) to presuade (C) our friends to keep (D) the school ( CHỌN LỖI SAI VÀ SỬA LẠI) Câu 8: He .......... to anyone suspicious when the class was over A was not seen to talking B was not seen talking C was not being seen talking D had not been to talk Câu 9: You can stay here ............ you don't make a loud noise A as much as B as long as C as soon as C as far as Câu 10: He often walks home when it doesn't rain A He is used to walk home when it doesn't rain B He is used to walking home when it rains C He used to walk when it doesn't rain D He is used to walking home when it doesn't rain Câu 11: '' Will Dr, Stevens ve at the conference?''............................ A It's will be in this room B It lasts about three hours C It won's start until three D Yes, he plan to be there Câu 12: They know little what to expect\ A They don't have many knowledge of what to expect B Their knowledge has little about what to expect C They have little knowledge of what to expect D They have little knowledge about what to expect Câu 13: My brother and I went to that school A I went to that school and so did my brother B I went to that school and so my brother did C I went to that school and so my brother did, too D I went to that school and my brother, too Câu 14: Young people tend to live in a big city A) Young people have a tendency to live in a big city B) Young people like big cities C) Young people don't want to live in a big city D) Young people are living in a big city VOTE 5 SAO+ CẢM ƠN NHƯNG PHẢI GIẢI THÍCH Ạ

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