ProfessorJohnsonissaid_____somesignificantadvanceinhisresearchinthepastyears.
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Ifyourcar_____anyattentionduringthefirst12months,takeittoauthorizeddealer.
.IfyouhavereallybeenstudyingEnglishforsolong,it’sabouttimeyou_____abletowritelettersinEnglish.
You____thatlettertoJames.However,youdidn't.