[ 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:
Grammar › ViewWhen the baby bears were young, we … with them but we can’t do that now!
A. didn’t use to play
B. used to play
C. use to play
Tenses › View
I………………much of you lately. We……………………..three months ago
A. didn’t see- have met
B. haven’t seen- have met
C. didn’t see- met
D. haven’t seen- last met
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
