cho tam giác ABC vuông tại C , M là trung điểm AB .Tia phân giác góc ACB cắt đường trung trực AB tại D . Vẽ DE , DF lần lượt vuông góc với BC , AC tại E và F . chưng minh tam giác ABD là tam giác vuông cân

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Exercise 1: Chọn từ thích hợp trong số A, B, C hoặc D 1/ What was the name of the girl .............. passport was stolen ? A. whose B. who C. which D. when 2/ The bed ..................... I slept in was too soft. A. which B. who C. where D. what 3/ Nora is the only person ............... understands me. A. which B. who C. whom D. what 4/ The man ............. she is married to has been married twice before. A. which B. who C. whom D. what 5/ The hotel ........... we stayed was not clean. A. that B. which C. where D. what 6/ The last time.............. I saw her, she looked very beautiful. A. when B. which C. whom D. what 7/ The stories ....... Tom tells are usually very funny. A. that B. who C. when D. what 8/ Have you seen the money ........ was on the table ? A. which B. who C. whom D. what 9/ The factory ................... John was working is the biggest in town. A. which B. who C. where D. what 10/ Jim passed his driving test, .............. surprised everybody. A. that B. which C. whom D. what 11/ Do you remember the day............. we first met ? A. when B. which C. whom D. what 12/ Thank you for your letter, .................... I was very happy to get. A. that B. which C. whose D. what 13/ The reason ................ he failed was obvious. A. that B. why C. whom D. what 14/ Ann has a lot books, most of .... she hasn't read. A. that B. who C. which D. what 15/ The mother ............. son was killed in the accident was very sad. A. that B. whose C. whom D. what Exercise 2 : Nối hai câu thành một câu sử dụng đại từ, trạng từ quan hệ 1/ The student is from China. He sits next to me. ……………………………………………………………………………………………… 2/ I thanked the woman. This woman had helped me. ……………………………………………………………………………………………… 3/ The professor is excellent. I am taking his course. ……………………………………………………………………………………………… 4/ I recently went back to Paris. It is still as beautiful as a pearl. ……………………………………………………………………………………………… 5/ Nam knows the man. We talked to him this morning. …………………………………………………………………………………………… 6/ The house is very old. My grandfather used to live there. ……………………………………………………………………………………………… 7/ We stayed in a hotel . The hotel was very expensive. ............................................................................................................................................ 8/ The man is an architect . We play with his son every day. ............................................................................................................................................ 9/ She’s riding on the elephant . It was carried from India. ............................................................................................................................................ 10/ Trinh Cong Son composed songs . They are greatly kiked by millions of Vietnamese people. ............................................................................................................................................ 11/ The engineers designed the building . The engineers received an award. ............................................................................................................................................ 12/ The students live in that dormitory . They are from Australia. ............................................................................................................................................ 13/ The bicycle has only a wheel . It is often used at the circus. ............................................................................................................................................ 14/ My best friend sees me every day . He always has something new to tell me. ............................................................................................................................................ 15/ Her house is in excellent repair . Her house is over two hundred years old. ............................................................................................................................................