they were swimming in the swimming-pool form 8 to 10 yesterday(改成一般疑问句)
问题描述:
they were swimming in the swimming-pool form 8 to 10 yesterday(改成一般疑问句)
答
were they swimming in the swimming-pool from 8 to 10 yesterday?
答
Were they swimming in the swiming-pool from 8 to 10 yesterday?