1、-I’m leaving tomorrow.

1、-I'm leaving tomorrow.
-What do you mean ＿that?
A、by B、for C、in D、of
2 、What surprised me most was to see some of the village people
＿on the benches at the end of the room.
A、seating B、seated C、seat D、to be seated
3、we always hear about aeroplanes＿because of bad weather.
A、to delay B、being delayed C、be delayed D、to be delayed
希望能给我详细的答案.

1.A.固定用法.如what do you mean by island?
2.B.
seat是及物动词,而sit是不及物动词.使用seat时要用be seated或seat oneself 两种形式.
玛丽坐在书桌旁
Mary sat at the desk.
Mary was seated at the desk.
Mary seated herself at the desk.
你认识坐在窗户边上的女孩吗?
Do you know the girl sitting by the window?
Do you know the girl seated by the window?
3.D.
我们总会听到由于坏天气飞机将晚点.
飞机被延迟,所以A被排除.C不能作宾补也被排除.
表示将来的动作用不定式,所以选D