Peter is ten years old. He is _______ to go to school.
Mrs Brown, don’t worry about Daming. He is old enough to take care of ______.
In my opinion, parents should get their kids to face difficulties ____ their own.
— This is ______ useful guidebook. — I agree with you. We may get lost without it.
-What are you interested in?-__________.
I don’t know if it_____ tomorrow. If it ______, I won’t go shopping with you.