The star of the play, as well as the chorus members, (was, were) rehearsing.

Three letters by Thomas Edison (was, were) donated to the museum.

The daffodils, not the dogwood tree, (is, are) in full bloom now.

A survey of the voters (indicates, indicate) their opinions on the issue.

Crushed leaves from the verbena plant (makes, make) a flavorful tea.

Lake Erie, along with Lake Superior and Lake Huron, (is, are) very deep.

A tax on both income and property (was, were) debated by the city council.

Immigrants from China (was, were) a major force in the building of the railroad.

Several dogs, but not one cat, (was, were) inoculated against rabies at the clinic.

The city of Buenos Aires (is, are) the capital of Argentina.

Today, almost nine million citizens (lives, live) in the city and its environs.

When I (visit, visits) Buenos Aires, I will want to see Plaza de Mayo.

The historic building Casa Rosada (stands, stand) there.

The offices of Argentina’s president (is, are) housed within.

The land area of Argentina (cover, covers) over a million square miles.

This country of scrubland, swamps, and plains (stretch, stretches) 2,360 miles from north to south.

The width of the country from east to west (is, are) only about 884 miles.

Some people who look at Argentina on a map (see, sees) a triangular-shaped country.

The widest part of Argentina, the longest of the triangle’s sides, (form, forms) the northern part of the country.