If you had seen a doctor, you much better now.
--- Did you return the book you borrowed from Tom?--- Yes, I gave it to him ______ I saw him.
If law and order as well as rules and regulations ______, neither the citizen nor his property is safe.
It’s better to express your anger ______ bottle it up.
At the class meeting the students discussed three different _______ to the study of English.
Don’t mention that at the beginning of the story, or it may ______ the shocking ending.