---- arriving ----- home ,he began to do this homework. A.on:at B_英语解答

---- arriving ----- home ,he began to do this homework. A.on:at B.With:in C./:at D.On:/
为什么前面要用On?

人气：256 ℃　时间：2019-12-09 21:46:11

解答

选D
on doing,.一..就...
home 是副词,前面不加介词at
On arrivinghome ,he began to do this homework.
翻译：一到家,他就开始做作业.