问题
选择题
| Three _____ of the old bridge has fallen down. It's _____. |
A. fifth; safe B. fifths; safe C. fifth; dangerous D. fifths; dangerous |
答案
答案：D
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| Three _____ of the old bridge has fallen down. It's _____. |
A. fifth; safe B. fifths; safe C. fifth; dangerous D. fifths; dangerous |
答案：D