4. Which continent is the biggest?
A: Africa
B: Asia
C: Oceania
D: North America
A: Africa
B: Asia
C: Oceania
D: North America
举一反三
- Which continent is Iran located in? A: Asia B: Europe C: Africa D: North America
- The first blacks were brought from to North America as slaves in 1619. A: South America B: Africa C: Central Africa D: Oceania
- Potato originated from ( ). A: Asia B: Africa C: Antarctica D: North America
- The world's largest rice growing continent is (). A: Asia B: Africa C: America D: Europe
- Which region has the largest number of people living with HIV in the world? A: South Asia B: Southeast Asia C: Subsaharan Africa D: North America E: Europe