French is _______ difficult to learn.

I carried the bowl with both hands________, so that I wouldn’t break it.

Ted was hard-working. His success made him work_____.

—Look! There is a big river. Let’s swim in it!—No, I think it’s _________ dangerous.

— Steve is good at writing short stories. — Yes, he is. But he writes          than us, so he doesn’t get good marks in writing.