Corn is America's most important ______.
A: grace
B: grain
C: grand
D: grant
A: grace
B: grain
C: grand
D: grant
举一反三
- 14. The Midwest in America’s most important _____ area. A: agricultural B: industrial C: manufacturing D: mining industry
- ( ) is the world's largest corn producer. A: China B: America C: India D: Mexico
- ( ) is the world's largest corn producer. A: China B: America C: India D: Mexico
- () is the world's largest corn producer. A: China B: India C: America D: Mexico
- () is the world's largest corn producer. A: China B: India C: America D: Mexico