II. Find and correct the mistakes in the following sentences 1. Anya doing her homework at present. 2. Bob is swiming with his father. 3. Yasuo is having a terrible habit. He is always going home late. 4. My family often is watching TV on Sunday, but today we are going to the park. 5. Watch out! The tree falls here. 6. Is Minh and Tien going to the park every weekend? 7. Please, give me the money. I am needing it now. 8. Jinx is rarely trying to fix her bike. 9. Are you do the homework right now? 10. What does your sister doing? Cứuuuuuuuu

Complete the sentences with the present simple or present continuous form of the verbs in space 1. Mary............(be) beautiful. 2.Our teacher always..............(give) us lots of homework. 3. We..........(not want) to go to the concert. An.......... (not use) his phone at the moment. 5. Hurry up! The bus...........(leave) in 5 minutes. 6. Peter can't answer the phone. He...........(clean) the house. ...Tom........ (live) in the park? ..........(not work) today. I'm on holiday. 9. Jane is late now. She........ (run) to the school. My dad........ (not cook) very often. He is quite good at it. Mọi người cứu e :((

Cho tam giác AbC cân tại A, hai đường trung tuyến BE, CF cắt nhau tại O. Gọi K và I lần lượt là điểm đối xứng của O qua E và F. A) Chứng minh AL // BO và BI = AO b) Chứng minh O là trung điểm của BK, từ đó chứng minh từ giác BIKC là hình chữ nhật C) Tứ giác AiOK là hình gì?