Qing Cai

Member for

5 years 3 months

My essays:

• Whether a person should take a long time to make decisions 70

My speaking:

• Relict BehaviorIn general, animals act in ways that help them to survive within their specific habitats. However, sometimes an animal species may display a behavior that no longer serves a clear purpose. The original purpose for the behavior may have disa 50
• TPO01_4 60
• TPO24_4 60
• TPO 43 speaking 6 60
• tpo11-Q6 60
• TPO38 - Question 6 51
• TPO38 - Question 6 66
• TPO 21-Q6 60
• TPO 52-Q6 60
• TPO 42-Q6 50