The birth rate in a city___to fall as its Cross Domestic Product(GDP)rises steadily
It was _____ weather that everyone wanted to go outing .
It is difficult for us to learn a lesson in life _____ we’ve actually had that lesson .
The rent is high , ____ the house is quite satisfactory .
At the age of fourteen , Betty went to a _____ girls’ school along with her sister .
Most people prefer _____ mony _____ it .