He waited ________ the volcano became quiet and he was able to return two days later.
After they ________ each other for a while, a violent quarrel finally ________.
Choosing the right dictionary depends on ______ you want to use it for.
I ________ have been more than six years old when the accident happened.
On Halloween, children in America like to _____ as ghosts to frighten people.
---I have some big news for you. You’ve been accepted as a member of our club.--- ________ That’s great!