giúp mình nhé! Câu 41. Dòng nào chỉ toàn từ láy? a. oa oa, vòi vọi, chen chúc, sai trái. b. oa oa, vòi vọi, chen chúc, tròn trịa. c. oa oa, vòi vọi, cánh cò, tròn trịa.

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tính tổng 3/7+4/5+8/14+3/15+5/13

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Giúp với ạ mình đang cần gấp lắm

1) a) sin(2x+45°)=1/2 b)tan3x=√3 c)sin3x=cosx d)cos(3x-π/3)=-√2/2

EX1: Complete the sentences with the correct prepositions 1. She was very conscious (1).................. her lack of experience on her first day at work. 2. He has a new solution (2).................. the problem. 3. Nobody helped him. He managed it (3).................. his own. 4 The drivers (4) ................... London kept their cars (5) ............... the left. 5. The summer holiday is coming. We are all excited (6) ................. going (7) ............. a long trip (8) ............ the South. 6. The children were amazed (9) .................... the lion show at the circus. 7. Her small garden looks very beautiful in spring because all the flowers are (10) .................... full bloom. EX2: Use the correct forms of the verbs in the brackets to complete the passage below. I (write) (1) ....................................... to express my dissatisfaction of my stay at the Lord Hotel in London last weekend. I (book) (2) ...................................... the hotel in Sweden and also (receive) (3) ............................. information about the hotel. I (promise) (4) ................................ a luxury weekend. However, I (be) (5)..................................... not satisfied. The room was comfortable, but the traffic from the road opposite the hotel (make) (6) .................................... it impossible to (sleep) (7) ............................ I (ask) (8) ...................................... for another room, but no single rooms (be) (9) ................................. available. I required room-service one night and I (have) (10) .................................. to wait for almost one hour before someone came.

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Các cậu có thể im lặng được không? là kiểu câu gì?