题目内容：

seat与sit的区别
1.When the speaker found all the guests ,he began his speech.
A.seated B.taken their seats C.sitting down D.seating
2.The pilot asked all the passengers on board to remain as the plane was making a landing.
A.seat B.seating C.seated D.to be seating
1-2解：AC.
关键词:

优质解答

1.A；2.C答案是对的；1.seated在句中作宾补；2.seated在句中作表语；
seats 是及物动词,需要都宾语：常用的结构：be/get seated;seat oneself; sit是不及物动词,常见短语：sit down

追问：

那请问是不是1中也可填sitting？

追答：

最好不要那么用，因为sitting是分词，表示动作在进行，“发现所有来宾坐好”；而不是“发现所有来宾正在坐”