主标题：吉林2025年专升本英语练习题及答案(4.7)

　　Directions: There are 40 incomplete sentences in this part. For each sentence there are four choices marked A, B, C and D. Choose the ONE answer that best completes the sentences, and then write the choice on the Answer Sheet

　　21. Mr. Jackson devoted himself teaching in the primary school.

　　A. to B. for C. by D. as

　　22. Mary is ill today. If she _____, she ____ absent from school.

　　A. were not ill, wouldn't be B. had been ill, wouldn't have been

　　C. had been ill, should have been D. hadn't been ill, could be

　　23. The sun sank the horizon and it was getting dark.

　　A. over B. under C. on D. below

　　24. My sister advised me that I ________ accept the invitation.

　　A. could B. must C. should D. might

　　25. The discovery of these tombs is ________ for scholars’ studying Chinese history.

　　A. of very important B. great significant C. of great significance D. greatly importance

　　26. By no means _______to move to a new place far away from her workplace， because it isn't convenient for her family and herself.

　　A. Jane will agree B. will Jane agree C. Jane will disagree D. will Jane disagree

　　27. They never have chicken, ___ ?

　　A. are they B. do they C. aren't they D. don’t they

　　28. None of us expected Tom to __________in the library. We thought he was absent from the school.

　　A. turn in B. turn over C. turn up D. turn down

　　29. I want to buy a new hat to __________ this green T-shirt.

　　A. go into B. go with C. go after D. go by

　　30. He changed his name, _____ that nobody would find out what he had done before.

　　A. having thought B. to think C. thinks D. thinking

　　参考答案：

　　21>25 AADCC 26>30 BBCBD