23. ( ) A: Where are Peggy and Alan? B: ______(A) There’s a little boy standing in line. (B) They ar
問題詳情
23. ( ) A: Where are Peggy and Alan? B: ______ (A) There’s a little boy standing in line. (B) They are my sister and brother. (C) There are two people in the garden. (D) They are drinking milk in the dining room.