----- Nội dung ảnh ----- 21. They don’t find it difficult to do the task. They are used 22. Please don’t leave the door unlocked. Would you mind 23. My brother said I could use this mobile phone. My brother allowed 24. She’s always nervous when taking an exam. Taking an exam 25. Why don’t we buying those flowers? He suggests 26. They drive to work in nearly an hour. It takes 27. He managed to open the door. He succeeded 28. It isn’t necessary to finish the work today. You don’t 29. That’s the last time I go to that restaurant. I certainly 30. “You should take a holiday” – the doctor advised me. The doctor advised