he came here two hours before 改错
he came here two hours before 改错
改错They came here before three hours._____Jack gets to school
He studies in Nanjing for two years before he came here.
you see,before he came down here,
坐等He came here before there days.
he left here two hours ago
She came here two hours ago (保持愿意)
He English for five years before he came here
改错:My cousin came here two days ago.
how long _______ he__________London before he came here?
Who is he waiting for two hours.改错
He came here two years ago.对划线部分提问