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河南省卫辉市高级中学10-11学年高一第三次月考英语
第一节：单项填空（共15小题；每小题1分，满分15分）
从题中所给的A、B、C、D四个选项中，选出可以填入空格的最佳选项。
21. Because so many visitors are visiting our school today, some teachers have to _______ guides.
A. serve as B. regard as C. treat as D. use as
22. He came back late, _____ which time all the guesses had already left.
第一节：单项填空（共15小题；每小题1分，满分15分）
从题中所给的A、B、C、D四个选项中，选出可以填入空格的最佳选项。
21. Because so many visitors are visiting our school today, some teachers have to _______ guides.
A. serve as B. regard as C. treat as D. use as
22. He came back late, _____ which time all the guesses had already left.
