—Jack,I have________working out the math problem.—Don’t worry.Let me help you.A.funB.troubleC.experience
The exchange_______ homes are in the UK. I want to take_______ to the Great Wall.
---Who_______ make a kite out of wood? ---Peter is.
---Does_______ have a dog? ---Yes, I have a dog. She's nice to_______.
My parrot can make nice sounds, I can hear it_______ every day.
The superman can burn things with his eyes._______ special his eyes are!