[ Modal Verbs ]
Passengers ______ board through the right door.
A. must
B. should

Random Topics:
Inversion + Passive VoiceArticles & Compound NounsVocab and GrammarIf Conditional Zero and OneAdverb and Sentence StructureWH Questions and Simple Past TenseModals and VocabularyLanguage Features: Reflective ArticleRelative PronounInfinitive and GerundOther quiz:
Moods of Grammar › ViewWithout a clear understanding of the instructions, Matt failed the test.
A. Imperative Mood
B. Indicative Mood
C. Interrogative Mood
D. Subjunctive Mood
Grammar › View
Identifying Phrases and Clauses: Caroline handed the puppy his bone because he was drooling for it.
A. Gerund Phrase
B. Prepositional Phrase
C. Independent Clause
D. Dependent Clause
