[ 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:
Wish + Verb 2 › ViewI don’t have a car.
A. I wish that I have a car.
B. I wish that I will have a car.
C. I wish that I had a car.
D. I wish that I could have a car.
Grammar › View
How much is it?
$2.99
A. It’s one dollar
B. It’s two dollars
C. It’s two dollars and nineteen cents
D. It’s three dollars
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
