My parents are ________ work.
Who's__________duty today?
I'm.
What_________playing games with us?
That's good idea.
This is Lin Tao's pen.Please give it__________him.
What's the number________twelve and fourteen?
It's thirteen.
I think it's time________you to go_____________school now.
My parents are at work. Who's on duty today? I'm. What about playing games with us? That's good idea. This is Lin Tao's pen.Please give it to him. What's the number between twelve and fourteen? It's thirteen. I think it's time for you to go to school now....
