It is _______ that you understand what type of soil you have in your garden before you can take steps to improve it.
(2012福建卷)Nothing is so easy as parents raise their expectations of their children too high.
(2013·安徽卷) Before you pay a visit to a place of interest, look in your local library a book about it.
(2014届福建省福州八中高三第六次质检考试英语试卷) Parents have to be able to to be , to go with their kids, and also give them the room to grow.
(届广西桂林中学高三2月月考英语试卷) The boy had a _____ escape when he ran across the road in front of the bus.
(届辽宁省大连市第三中学高三上学期期末考试英语试卷) ----Hi, can I speak to Mr. Brown now? ----Sorry, but he is not ______. He’s having a meeting now.