-- How long has Eliza been a nurse? -- _______ A. Since 2002. B. Four years ago. C. In 2002.
Bad habits will get _____ the way of your life.
You must concentrate _____ your study not on your clothes.
There are so many beautiful clothes in the store. I really don’t know _____.
We all know the _____ of learning English well.
The room must _____ up right now. It’s too dirty.