- 搜標題
- 搜題干
- 搜選項
單項選擇題
日落降國旗。（）
A. The ensign should be hoisted when the sun rises.
B. The ensign should be lowered when the sun rises.
C. The ensign should be hoisted when the sun sets.
D. The ensign should be lowered when the sun sets.
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