Answer:
Errors in subject-verb agreement:
"Lead" should be "leads"
"Is" should be "are"
"Are" should be "is"
"Enjoy" should be "enjoys"
"Is" should be "are"
Correct:
Where's my gloves? Have you seen them anywhere? I can't find them.
Where's Kenya? Can you find it for me on the map?
Approximately 80 percent of all the data in computers around the world is in English.
Why are the police here?
Studying a foreign language often leads students to learn about the culture of the countries where it is spoken.
Two hours is too long to wait, don't you think?
Some of the movies about the gangsters were surprisingly funny.
Some of the movies these days contain too much violence.
How many people are there in Canada?
What is the population of Canada?
Which one of the continents in the world is uninhabited?
One of the most common names for dogs in the United States is "Rover."
Everybody in my family enjoys music and reading.
Most of the mountain peaks in the Himalayan Range are covered with snow the year round.