With so much water being used in the bathroom,it is no  _____ that more   environmentally friendly technologies have come out to make better use of water resources.

(2013·潍坊三县一模)If you don't work hard，it will be of no ________ for others to help you.

There is a ______ near our school. We often buy books there.

(2013·新课标全国卷Ⅰ)At the last moment, Tom decided to ________ a new character to make the story seem more likely.

I don’t think she is a nice woman; I am ______ her empty talk.