[ Modal Verbs in First Conditional ]
If you want to have perfect white teeth, you ______ brush your teeth regularly.
A. may
B. must
C. should
D. might
Select your answer:

Random Topics:
Verb Tenses and GerundsPrepositions & Prepositional PhrasesReported Speech and TensesTenses and FoodWH Questions and Simple Past TenseSynonym and AntonymPersonal PronounGerundPresent ProgressiveGrammar and Language UsageOther quiz:
Vocabulary › ViewFeeling or showing caution about possible dangers or problems.
A. rendezvous
B. wary
C. ridiculous
D. omnipotent
Adverb Clauses of Time › View
Mary called me when she _____ home.
A. get
B. gets
C. got
D. getting
