IELTS 写作同义词必备

puzzle, bewilder, perplex, baffle

rule, regulation

key crucial, critical

supply, provide, afford

conserve, preserve

assure, ensure, guarantee, pledge,

change, alter, modify convert into,

often, frequent, constant

allege, assert, declare, claim

express, voice, utter, pronounce

happen, occur, take place

cost, expense, expenditure

deny, negate

buy, purchase

appraise, assess, evaluate, estimate

encourage, embolden, hearten, inspire

attribute, ascribe, credit, impute,

abundant, copious, profuse, ample

reason, factor, cause

bad, baneful, evil, harmful, detrimental

development, advance ,progress

useful, helpful, beneficial, profitable, rewarding

important, critical, essential

result in, bring about, give rise to, lead to, cause