问题
选择题
Wu Dong was _____ tired that he couldn't keep his eyes_____. [ ]
A. so; open
B. too; open
C. so; closed
D. too; closed
答案
答案：A
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Wu Dong was _____ tired that he couldn't keep his eyes_____. [ ]
A. so; open
B. too; open
C. so; closed
D. too; closed
答案：A