21. Generally, the thicker a mammal's (哺乳动物) skin is, the less hair ______. A. that has it B. that it has C. has it D. it has 22. My father ______ an invitation to a dinner party, but he _______ it. A. accepted…received B. received…accepted C. accepted…didn't receive D. received…didn't accept 23. _______ their homework, the children went for a walk. A. When they were doing B. After they have done C. Having done D. They had done 24. My parents never let me _______ alone. A. to travel B. to travelling C. travelling D. travel 25. Hardly _______ the classroom when the class began. A. had he entered B. he had entered C. he entered D. he was entered 26. We all enjoy working _______ him because he is a kind leader. A. along B. in C. under D. on 27. She is _______to refuse, so I have to give in. A. a too kind girl B. too a kind girl C. too kind a girl D. a gird kind too 28. He couldn't use his own car because it ________ then. A. was being repaired B. was repairing C. is repairing D. has been repaired 29. _______ go to the Great Wall for a visit? A. Why don't B. How about C. Will we D. Why not 30. With the guide ______ the way, we set out on foot into the night dark. A. lead B. leading C. led D. to lead 2021年成人高考专升本《英语》模拟试题及答案（十一） 2021年成人高考专升本《英语》模拟试题及答案（十三）