Look at the text below. If there is an error with subject-verb agreement, select the incorrect verb and type it correctly. Otherwise, submit the text without making any changes.
British physicist Tim Berners-Lee created the very first website in 1991. By 2013, there were more than seven hundred million. The number of websites continues to grow at a staggering rate.
a) was
b) were
c) continues
d) grow
