Some visitors are amazed at the fact _________ Australia is the only country in the world ______ covers a whole continent.
Everything ___, he went to bed.
What’s the language __ in Canada?
The captain placed the flag over the boy, leaving only his face __.
.He used to __ in the countryside but now he’s got used to ___ in the noisy area.
She was so busy that she didn't stop ___ to us.