Find the mistake

{"params":{"content":{"task":"<p>One word in each of the phrases in bold is incorrect. Write the phrase correctly on the line provided.<\/p>\n","blanksList":[{"correctAnswerText":"looking far and wide"},{"correctAnswerText":"be so narrow-minded"},{"correctAnswerText":"about 2.5 kilometres thick"}],"blanksText":"<p>A. We\u2019ve been <strong>looking far or wide<\/strong> for a cheap flat, but we can\u2019t find one.<br>\nWe\u2019ve been _________ for a cheap flat, but we can\u2019t find one.<\/p>\n\n<p>B. Why shouldn\u2019t gay couples get married in church? Don\u2019t<strong> be so narrow- headed<\/strong>!<br>\nWhy shouldn\u2019t gay couples get married in church? Don\u2019t<strong> <\/strong>_________!<\/p>\n\n<p>C. In parts of Antarctica, the ice is <strong>about 2.5 kilometres thickness<\/strong>.<br>\nIn parts of Antarctica, the ice is _________.<\/p>\n"},"overallFeedback":[{"from":0,"to":100}],"behaviour":{"mode":"typing","selectAlternatives":"alternatives","selectAlternativeRestriction":5,"spellingErrorBehaviour":"warn","caseSensitive":false,"autoCheck":false,"enableSolutionsButton":true,"showSolutionsRequiresInput":false,"enableRetry":true,"enableCheckButton":true,"disableImageZooming":false,"confirmCheckDialog":false,"confirmRetryDialog":false},"showSolutions":"L\u00f6sung anzeigen","tryAgain":"Wiederholen","checkAnswer":"\u00dcberpr\u00fcfen","notFilledOut":"Bitte f\u00fclle alle L\u00fccken aus, um die L\u00f6sung zu sehen","tipLabel":"Tipp","spellingMistakeWarning":"\u00dcberpr\u00fcfen Sie die Rechtschreibung: @mistake","scoreBarLabel":"Du hast :num von :total Punkten erreicht.","confirmCheck":{"header":"Beenden?","body":"Ganz sicher beenden?","cancelLabel":"Abbrechen","confirmLabel":"Beenden"},"confirmRetry":{"header":"Wiederholen?","body":"Ganz sicher wiederholen?","cancelLabel":"Abbrechen","confirmLabel":"Best\u00e4tigen"}},"metadata":{"title":"Find the mistake","license":"U"}},