I was scared _______ when I saw the tiger jumped out of the cage and ran to the little child.
The days when he was_________ his best is already a thing of the past.
_________we sleep together or apart is one of the biggest cultural differences, and only in western societies ______ the feeling that babies should sleep apart from their parents.
Is _________ 48 hours _________ the man-made satellite _________ is made in our country to orbit the planet around?
In no place other than Britain ____ experience four seasons in a single day.
_____ occurred to me that the murder happened ____ a rainy day.