Topics: Conditionals / Unreal Past
They … let you on the plane unless you have a valid passport.
A. had
B. have
C. will
D. won`t
Select your answer:

Random Topics:
Action, Helping & Linking VerbsCan, Could, May, MightPresent and Past TensesPast Tense vs Present TenseZero ConditionalPassive Voice with ModalsConjunctions and ConnectivesTenses & PassivePerfect Tenses and VocabularyPronouns/ Present TenseOther quiz:
Grammar › ViewWhich sentence is incorrect?
A. If there is ice cream, you should buy it.
B. When ice cream is for dessert, I get very excited.
C. As the ice cream sat out of the freezer, it started to melt.
D. When the ice cream froze it tasted much better.
Modal Auxiliaries › View
______ She _____ now?
A. Does – has to study
B. Does – have to study
C. Do – have to study
D. Did – has to study
