[ would should could ]
You _____ see a doctor if your headache doesn’t get better.
A. would
B. should
C. could

Random Topics:
Modals of ObligationHas Got & Have GotGrammar: AgreementPassive Modals, Impersonal PassiveAdjectives and PrepositionsJobsAdverbs, Prefixes, and SuffixesArticle the or zero article (-)Modal Verbs for Permission and ObligationInfinitive or GerundOther quiz:
Tenses › ViewThe cat ____________ on the mat.
A. sits
B. sleeps
C. jumped
D. running
Tenses › View
I have read these books
A. Simple Past Tense
B. Future Perfect Tense
C. Present Perfect Tense
D. Past Perfect Tense
Mixed General Quiz › ViewThat boy never gave me the time of day.
A. Subject + linking verb + complement
B. Subject + verb + indirect object + direct object
C. Subject + verb + indirect object + direct object + object complement
Adverbs › View
Identify the adverb in the sentence: They danced happily at the party.
A. joyfully
B. happily
C. merrily
D. gleefully