Things made of plastic are usually _______, but they are _______ to get polluted.

A fridge is used to keep food which goes _______ very _______.

The math problem is _______ difficult and _______ of them can work it out.

---Jay’s songs sound ________. Don’t miss his ________ show.
---Yes. He is my favorite singer.

---Mum , I think I’m _______ to go back to school .  
--- But the doctor says you must stay in bed for two more days .

Mr Hu is a _____ man. He always helps others.

Tom didn’t get ready for his speech, so he was very ______ when he stood in front of class.

Mozart is a well-known pianist in the world.

While you are having an exam, you must write as ________ as you can.

The weather is really terrible these days. Tell the children to be________.
Don’t have a cold..