[ Grammar ]
__________ is essential for breaking down food.
A. Saliva
B. Transport initiative
C. Sauna

Random Topics:
Past Tense vs Future TensePrepositionModal and Relative PhrasesFigure of SpeechGrammar: MorphologyTenses and ArticlesPronouns and Subject Verb AgreementPhrasal Verbs with up and downPresent Simple & Present Continuous TensesPast ContinuousOther quiz:
Grammar › ViewRussia is … than Italy.
A. big
B. biger
C. bigger
Its vs. It’s › View
He wanted to know if the mixture could be separated into … components by physical means.
- its
- it’s
Modal Verbs › View
You ______ turn right when the light is red.
A. don’t have to
B. must
C. mustn’t
D. have to
Personal & Possessive Pronouns › View
He forgot to bring his passport, but Jasmine brought ____________.
A. his
B. her
C. hers
D. my
