In the lab, keeping things clean and organized can help provide a safer ________.
system
method
investment
environment
Canada is larger than ________ country in Asia.
English is better than ________.
If we had followed his plan, we could have done the job better with ________ money and ________ people.
John has three sisters. Mary is the________ of the three.
Professor White has written some short stories, but he is________known for his plays.