they came before three hours.改错
改错They came here before three hours._____Jack gets to school
he came here two hours before 改错
Three hours (late,after,before,later),they came home from th
I did my homework three hours before 改错
When he came back three hours later,they were still sitting
It was three years before he came
They have been working for__whole three hours.
Before the firemen came,they?the fire
It was three days before that man came back
lucy spent three years ______Chinese before she came to Chin
He is waiting for you three hours ago.改错,仅限一词.
They told me that he had left 2 hours before