The ______ needs of all animals are food, water, air and protection from their enemies.
A: previous
B: primary
C: preliminary
D: prior
A: previous
B: primary
C: preliminary
D: prior
举一反三
- 中国大学MOOC: The ______ needs of all animals are food, water, air and protection from their enemies.
- How is food for plants made Food for plants is made ______. A: from water B: from the air in the sky C: from the soil D: from water, things in the soil and air and sunlight
- The _____ estimate of an increase in gross national product suggested a fast recovery from economic recession. A: primary B: introductory C: preliminary D: previous
- Before the main business of a conference begins, the chairman usually makes a short___________speech. A: primary B: preliminary C: previous D: preview
- I can't make it because of a previous engagement. A: primary B: prior C: temporal D: primitive