【单选题】
This is the military ____, and nobody is allowed to get in without permission. ?
【单选题】
Dave ____ into the house without ____ out by his parents.
【单选题】
It was strange _______ she left without saying a word.
【单选题】
One of my ____ sentences is: there is no smoke without fire.
【单选题】
Man________die without air or water.
【单选题】
How difficult it is ______ the modern world without oil.
【单选题】
12. That’s ______ joke I have ever heard.
【单选题】
I remember _______ to help us if we ever got into trouble.
【单选题】
Mary is one of the best friend _____________ I have ever had.
【单选题】
Our mother earth gives us ________we need in our daily life.