I don’t know ____ or not he is right.
We may meet all kinds of difficulties in the future, but we should be confident enough to any challenge.
— It’s dangerous to walk across the street carelessly.— You’re right. We can’t be careful while crossing the street.
----I think Mr Li is one of ______ in our school.----Me too. He’s friendly and helpful.
_______ Tom ______ Jim come from England.
When something _____ you, I will always help you. So please don’t ______ it.