1. Sarah's flag (旗) is ____________.[ ]A. red and white B. yellow and green 2. Wu Yifan's flag (旗) is ____________.[ ]A. red and white
B. yellow and red 3. John's flag (旗) is ____________.[ ]A. red, green and white
B. blue, red and white4. Mike's flag (旗) is ____________.[ ]A. blue, red and white
B. black, white and yellow 1-4 A B B A