It is _______ that you understand what type of soil you have in your garden before you can take steps to improve it.
Look! If we had begun to do the work yesterday morning, we _______ ourselves just like them.
Carter was saying all the right things, but his smile was __________, and I knew I couldn't trust him.
—Remember how we met for the first time, Dick? —Of course I do. You _______ to the teachers' office hurriedly and _________ me.
Mo Yan's winning of 2012 Nobel Prize in Literature shows the world's ________ of China's contemporary literature.
All the employees at the company are _______ their business as usual.