I’m definitely going to settle in the countryside when I retire. All the words have a similar meaning with the underlined word, Except ______.

From this day      , I will be more careful when crossing the street.

--- What a lot of fun it is to play on a frozen sports field! --- Isn’t it rather risky,       ?

—— Can I help you? —— Well, I’m afraid the box is＿＿＿heavy for you,but thank you all the same. 

We could hardly believe what she says because she is____ ____changing her mind.