[ Second Conditionals ]
If cars were not invented, it would ______ difficult to travel.
A. was
B. were
C. be
D. is

Random Topics:
If ClausesModals: Possibility, Necessity, ExpectationComparison and ModalsVerb AgreementNoun, Adjective, and Adverb ClausesVocabularyPhrase vs ClauseArticles & QuantifiersModals of Advisabilityused to vs be used to vs get used toOther quiz:
Grammar › ViewPeople should use ______ nuclear energy.
A. People should use too many nuclear energy.
B. People should use too much nuclear energy.
C. People should use fewer nuclear energy.
D. People should use less nuclear energy.
Verbs › View
I ________ walk for a long time.
A. Could
B. Walked
C. Canned
D. Was
Grammar › ViewWe _______ a lot of sweets yesterday.
A. ate
B. had eat
C. have eaten
Grammar › View
James Robert (build) it in Las Vegas in 1876.
A. building
B. built
C. builds
D. builded