---What’s the low-carbon(低碳的) lifestyle like? ---Save energy, and produce carbon.
---How much does this young elephant_______? ---50 kilograms ________, it eats a lot for a meal.
The __________ joke often makes the boy____________.
I never feel ______ when I stay with him because he is such a/an ______ man.
_______ go running for half an hour every day? It is good for our health.
Among all the students, Jason has _____ juice and bread and Lily has ______ tomatoes.