[ Conditional Sentences ]
They … let you on the plane unless you have a valid passport.
A. had
B. have
C. will
D. won’t

Random Topics:
Stative Verbs and TensesVerb Tense, Pronouns and AntecedentsTenses and PronounsSentences vs Run-OnsVocab and GrammarTenses of VerbsVerbal and Appositive PhrasesPre-intermediateCoordinating and Subordinating ConjunctionsConditionals 1,2,3Other quiz:
Subject Verb Agreement › ViewThe flowers in the garden (look) beautiful.
A. looked
B. looks
C. look
D. looking
Grammar › View
____ time to leave for the birthday party.
A. its
B. it’s
Prepositions › ViewA: What are you doing?
B: I lost my keys. I’m looking ___ them.
A. of
B. to
C. for
D. in
Vocabulary › View
To keep or hold within limits; to restrict
A. exhale
B. confine
C. clarity
D. remnant
