We work together to achieve our common purpose: ________ world that is safer, cleaner and healthier than ________ one we are living in.
Fruits and vegetables are also ___ in vitamins, minerals and fibre .
---Must I finish the homework now? ---No, you _____.
--- ______,Danny? --- I don’t feel very well. I’ve got a pain here.
You can ride ____ bike. My aunt’s bike is here. I can use_____.
Our teacher often tell us ____ in the river. It’s dangerous.