1.Who was the first one to arrive?2.The house is comfortable to live in

问题描述:

1.Who was the first one to arrive?2.The house is comfortable to live in
为什么1句arrive后不加介词而2句后加呢

因为arrive 后跟at+宾语;此处无介词,所以无宾语
live后跟 in+宾语;此处宾语house已前置,所以要加in