Weshould（）thenationalflagwhenthesunsets. A: lower B: lowed C: lowing D: lowers
Weshould（）thenationalflagwhenthesunsets. A: lower B: lowed C: lowing D: lowers
1
Weshould（）thenationalflagwhenthesunsets. A: lower B: lowed C: lowing D: lowers