21. After the new technique was introduced, the factory produced ______ cars in 2009 as the year before.
George is going to talk about the geography of his country, but I’d rather he ______ more on its culture.
Tired, Jim was fast asleep with his back a big tree.
Everything comes with price; there is no such thing as free lunch in the world.
John thinks it won’t be long _______ he is ready for his new job.
John opened the door. There _______ he had never seen before.