The novel was completed in 1978, the economic system has seen great changes.
In order to improve English, _______.
-----It is long since we met last. Haven’t you graduated from college yet? ----- _____. I ____ English for 3 years in Lanzhou University.
Would it be ___ for you to help me take my luggage upstairs?
When we plan our vacation, Mother often offers ___ suggestions.
He was scared to death by a(n) ___ entrance when he is absorbed in reading.