20. John is busy ________ his girlfriend with her paper. A. 试题答案_出自文才系统西北师范大学综合英语

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20. John is busy ________ his girlfriend with her paper. A. to help B. helping C. help D. helps
答案是:B 出自西北师范大学综合英语文才系统西北师范大学
更多试题>>>> 1、19. There is a ________ of two hours with the 7: 40 train. A. delay B. change C. schedule D. timetable 2、18. After he ______ the unforgettable failure of love, he became afraid of it. A. felt B. forgot C. met D. experienced 3、17. We soon arrived _______ the airport. A. in B. at C. on D. to 4、17. We soon arrived _______ the airport. A. in B. at C. on D. to 5、16.They _________ good friends and often visited each other. A. are used to being B. are used to be C. used to being D.

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