— Linda, can you give me some tips on doing this project? — Sorry, but I’m not the person to ______ how the job should be done. 

While our city tries impatiently to change its appearance by tearing down old buildings, more and more citizens are suggesting ways to ___________ the historically important architecture

It makes great sense to check and ____________ the brakes（刹车）regularly.

The passage was very difficult, so in order to ______what the writer really wanted to convey, I read it many times.

(2013·大连市一模)As its name ________， the Volunteer Farm relies on volunteers to weed, plant and harvest.