[ Grammar ]
How often (you/your eyes/test) do you ___________ ?
A. had your eyes tested
B. had your eyes test
C. has your eyes tests
D. have your eyes tested

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Time ClauseAdverbsPassivisationTenses and Word FormationModalsPassive and Active VoiceGrammar - Present and Past PassiveDefinite vs Zero Article Abstract NounsPreposition of PlaceTAG QuestionsOther quiz:
Vocabulary and Grammar › ViewA washing machine of this type will certainly ________ normal domestic use.
A. stand up to
B. come up with
C. get on to
D. stand up for
Modal Verbs › View
Vietnamese visitors___ought to have a Schengen visa to travel to Spain and Belgium.
A. must
B. should
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A. should have told
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Kate is the ________ of the three children.
A. older
B. oldest
