_________ the whole process for the studies of cancer took more than a year, the technology is moving so fast that it will soon take just weeks.
Whether, an advertisement succeeds or not is decided by whether it has the culture consciousness.
Mr. Green has two sons, one of _____ working as a bus driver now.
The company _______ a rise in salary for ages but nothing has happened yet.
Tom, look! It’s 12 o’clock at night. _____ you shout so loudly?
The concert__ to _ some money for those suffering from the earthquake, which __ 2,000 lives.