The Aconcagua is the ________ mountain in south America.

• highest

• more highest

• high

• higher

Mount McKinley is the highest mountain in____

• Asia

• United States

• Europe

• Africa

Missouri is the _____ river in United States.

• longerest

• more longest

• longest

• long

The Nile is the longest river in_____

• Ecuador

• Brazil

• Egypt

• United States

Brazil is the _______ country in South America.

• largest

• more larger

• more largest

• large

Iceland is the_____ country in the world.

• more peaceful

• peaceful

• most peaceful

• peacefulest

United States is the ____ business destination.

• most popularest

• popularest

• popular

• most popular

Japan has the _____ population around the world.

• oldest

• older

• olderest

• most oldest

Finland has the ___ air in the world.

• cleaner

• most cleanest

• cleanest

• clean

Canada has the _____ cell phone plans.

• most expensive

• more expensive

• expensive

• expensivest