An excellent company is good at providing its employees and co-workers with a ____which makes them feel at home.
The first textbooks _____for teaching English as a foreign language came out in the 16th century.
There was a terrible noise _______the sudden burst of light.
When I handed the report to John, he said that George was the person______.
I’m thirsty. Would you please give me something________.
Do you consider _______any good attempting many scientific experiments?