A high school history teacher once told us 开头的完形填空

A high school history teacher once told me,"If you make one close friend in school, you will be the most fortunate. A true friend is someone who stays with you for life."

A high school history teacher once told me,"If you make one close friend in school,you will be the most fortunate.A true friend is someone who stays with you for life."___ teaches that he was right.Good friendship is just not easily___
It is possible that we simply do not stay in one place long enough for a ___ friendship to develop.However,there can be no disagreement on the ___ for each of us to think carefully about the ___ of friendship we want.
To most of us,friendships are ___ very important,but we need to have clear in our ___ the kind of friendship we want.Are they to be close or ___ at arm's length?Do we want to share ourseleves or do we want to walk on the ___?For some people ,many friendships on the surface are ___ enough and that's all right.But at some point,___ to make sure that our expectations are the same as our friends' expevtations.THe ___ of personal experience including our tears as well as our dark dreams is the ___ way to deepen friendships.But it must be undertaken slowly and ___ only if there are signs of interest and action in return.
What are some of the ___ of friendship?The greatest is the attraction to expect too much time.Another "___ difficulty" is the selfishness to take action too soon .Deep relationships ___ one "possesses" the other,including his time and attention.___,friendships in return .In other words,you must give as much as you take.___there is a question of taking care of them.___ you spend reasonable time together ,talking on the phone,writing letters,doing things together,friendships will die away.
1.A.Knowledge B.Practice C.Experience D.Success
2.A.understood B.formed C.realized D.produced
3.A.true B.common C.short D/ whole
4.A/hope B/difference C/ need D/courage
5.A.kind B.length C.warmth D.value
6.A.made B.considered.C.explained D.reminded
7.A.hearts B.thoughts C.actions D.minds
8.A.remained B.left C.kept D.stayed
9.A.mud B.surface C.ice D.feet
10.A.long B.easy C.quite D.not
11.it needs B.we need C.one needs D.they need
12.A.spreading B.share C.seeking D.showing
13.A.easiest B.latest C.worst D.surest
14.A.watched over B.turned away C.broken down D.carried on
15.A.difficulties B.differences C.advantages D.types
16.A.actual B.rough C.upset D.major
17.A.require B.request C.depend D.suggest
18.A.surprisiongly B.fortunately C.Similarly D.Frequently
19.A.Finally B.Gradually C.Obviously D.Curiously
20.A.Though B.Unless C.Since D.When