学习语法首先要学习句子，因为句子是人类语言的核心，通过对句子的分析理解，可以更好的掌握语法。下面是小编整理的英语四级语法模拟练习(20)，希望对你的语法学习有所帮助！
191.This is an _______ that will not be easily forgotten.
A.impact B.academic C.insult D.alternative
192.Please _______ me for my rudeness. I really do not know the custom here.
A. engage B.comfort C.execute D.forgive
193.Water and air are _______ to human beings. We can not live without them.
A.harbour B.function C.definite D.essential
194.When the airplane takes off, the passengers are told to _______ their seat belts.
A.fountain B.fix C.tight D.fasten
195.This is not what we asked you to do. You can not get more pay for the _______ work.
A.owing B.device C.tired D.extra
196.My throat is _______. I cannot speak any more.
A.sore B.purchase C.glow D.faint
197.Many years ago, a lot of factories were _______ from big cities to the mountainous areas in case of war.
A.transferred B.transformed C.transmitted D.transported
198.He said in his letter that he would _______ some photographs but I couldn't find anything in the envelope.
A.case B.double C.enclose D.nonsense
199.Many English words are _______ from Latin.
A.displayed B.spread C.lost D.derived
200.I feel _______ to say that I can not believe what he said.
A.wanted B.observed C.obliged D.wandered
191.C
192.D
193.D
194.D
195.D
196.A
197.A
198.C
199.D
200.D
