[ 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:
Prepositions of Time, Place, and Movement › ViewI went to the cinema… night.
A. last
B. after
C. between
D. on
Grammar › View
By the time we arrived, the show ____ already ____.
A. was / beginning
B. had / begun
C. is / beginning
D. has / begun
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
