It’s no use ______ a lot without doing anything.

It is careless him to make the same mistake again. I think it importanthim to be more careful next time.

There is still a copy of the book in the library.Will you go and borrow_____—No，I’d rather buy_____in the bookstore.

The young girl walked ____the forest and saw a big river at last.

下列各句中，没有语病的一项是（ ）