56. The doctor gave him a warning not to smoke because it's dangerous. (warned) 57. In her eyes, all her classmates are not trustworthy. (thinks) 58. She was grateful to them for their hospitality. (thanked) 59. He didn't want to participate in the volunteers' activities. (take) 60. They didn't let him get in the disco because he was under 18. (prevented)

Các câu hỏi liên quan