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.
has been built
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 favourite type of football.
has described
rain (splashes, splash)
splashes
This enormous building (covers, cover) three blocks.
covers
Visitors admire the colourful paintings of Diego Rivera at the National Palace.
Correct as is!
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.
have estimated
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.
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.
have helped
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.
offers
However, waves up to one hundred feet high (occur, occurs) when tidal waves hit the land.
occur
In Dallas, Texas, baseball and 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.
show
The scientific name for tidal waves (are, is) tsunamis?
is
There (is, are) at least two solutions to this complicated Chinese puzzle.
are