问题
选择题
Please sit _____ your chair and listen _____ the teacher. [ ]
A. to; to
B. on; to
C. on; on
D. to; on
答案
答案：B
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Please sit _____ your chair and listen _____ the teacher. [ ]
A. to; to
B. on; to
C. on; on
D. to; on
答案：B