Drunk driving used to occur ________ in our city,but now such cases are rare.
Technology has quickened the rate _________ we communicate with the world around us.
Some people think it __________ privilege to study abroad, but it doesn’t make _________ sense if you go when you even cannot look after yourself.
--- I once got lost during my first visit to Beijing.-- Oh, did you? You _______ me as your guide.
How long do you think it will be _______ scientists succeed in providing a cure for cancer?
When my father lost his job our living _______ had to be cut to the bone.