People (talks, talk)
talk
This museum (has, have) been called the best of all the Smithsonian museums.
has
Located in an ancient lake bed, Mexico City have been built on Aztec ruins.
have should be has
A tidal wave, despite its name, (is, are) not caused by the tides.
is
One expert in the field of sports have described soccer as the world's favorite type of football.
have should be has
rain (splashes, splash)
splashes
This enormous building (covers, cover) three blocks.
covers
Visitors admire the colorful paintings of Diego Rivera at the National Palace.
Earthquakes beneath the sea (causes, cause) most tidal waves.
cause
Some sports writers has estimated that there are over thirty million registered soccer players around the globe.
has should be have
birds (flies, fly)
fly
Twenty-three galleries (offers, offer) visitors information and entertainment.
offer
In one of the city's many subway stations, an Aztec pyramid still stand.
stand should be stands
The height of tidal waves often (remain, remains) low.
remains
Youth leagues and coaching clinics has helped make amateur soccer the fastest-growing team sport in the United States.
has should be have
we (helps, help)
help
As you can see, the exhibit (features, feature) antique aircraft as well as modern spacecraft.
features
Atop the Latin American Tower, an observatory offer a great view on a clear day.
offer should be offers
However, waves up to one hundred feet high (occur, occurs) when tidal waves hit the land.
occur
In Dallas, Texas, neither baseball nor American football attract as many young players as soccer does.
Correct as is!
tooth (aches, ache)
aches
In addition, the museum (houses, house) a large research library.
houses
Juan O'Gorman's huge mosaics shows the cultural history of Mexico.
shows should be show
The scientific name for tidal waves (are, is) tsunamis?
is
There (is, are) at least two solutions to this complicated Chinese puzzle.
are