Chuyển các câu sau sang câu bị động ở dạng câu trần thuật :
1) They expect that the government will lose the election
->......................
2) They say that many people are homeless.
->.......................
3) They know that the presisent is visitting Hoi An.
->..........................
4) People know that she is armed.
->................
5) We know that you were in town last sunday.
->......................
6) She preffed that man to teach her.
->................
7) People believe he has worked for the president.
->......................
8)Everyone thought that she passed the exam.
->She ...................
9) People said that Helen missed the train.
->...............
10) It is believes that the man is living in New York.
->The man ............
11) It is believed that Chinese invented guns.
->The chinese ..................
IV. Each sentence has a mistake underlined and correct it.
1. The fruit was so rotten that it had to throw away.
2. Mrs. Brown used to jogging during the summer months but now it often rains so she stops jogging.
3. The film we saw last night was so bad that we wish we didn’t go to see it.
4. The doctors know that it would be difficult to save the life of the patient but they’ll do their best.
5. I’ll go to the school to collect the children. They are used to be picked up after school everyday.
6. My father wishes that he doesn’t have to retire at the age of sixty.
7. I hate Mondays! If only I don’t have to go to school on Mondays.
8. I wish I can earn more money and work less time. But, of course I can’t.
9. I don’t believe it. It’s three in the morning and the party still doesn’t finish.
10. The world’s first computer built at the university of Pennsylvania in 1946.
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Cho O là trung điểm của đoạn AB. trên cùng 1 nữa mặt phẳng có bờ là đường thẳng AB vẽ tia Ax, By cùng vuoong góc với AB . Trên tia Ax lấ điểm C ( Khác A) , qua O kẻ đường thẳng vuông góc với OC cắt By tại D
1) Chứng minh : \(AB^2=4.AC.BD\)
2)kẺ Om vuông góc với CD tại M . Chứng minh : AC=CM
3) Từ M kẻ MH vuông góc với AB tại H . Chứng minh: BC đi qua trung điểm MH