[ Modals ]
You __________ check in with the airline before you get on the airplane.
A. must not
B. should
C. must
D. should not

Random Topics:
Tenses and Time MarkersSimple and Progressive Verb TensesVerb AgreementGrammar (Adverbs, Prepositions, Prepositional Phrases)Grammar Double Object VerbsRelative - ConditionalPreposition and ConjunctionPresent ProgressiveConjunctions in Complex SentencesGrammar speak,talk,say,tellOther quiz:
Comparison Degree & Gerunds › ViewThey admitted … us a towel outside the swimming pool.
A. Borrow
B. Borrowing
C. Borrows
D. Borrowed
Subordinating Conjunctions › View
“Let’s sit ___ we can see the stage clearly.”
A. While
B. Where
C. Until
D. Before
