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人教版高一英语必修四综合测试题
二、单项选择
21. Oranges are usually sold by _______ weight and eggs are sometimes sold by ________ dozen.
A. the; the B. /; aC. /; the D. the; a
22. Though punctual herself, the professor was quite used ________ late for her lecture.
A. to have students B. for students’ being
C. for students to be D. to students’ being
