—Can I use the telephone on the table, sir? —Under no circumstances _________ to use the telephone in the office for personal affairs.
Nowadays people are more concerned about the environment ___ they live.
____ which university to attend, the girl asked her teacher for advice.
He is so busy. He cannot afford enough time with his son ____he wants to.
____you said at the meeting describes a bright future for the company.
--Why are your eyes so red? You _______ have slept well last night.