[ Grammar ]
____ there be flying cars in 2030?
A. Do
B. Are
C. Did
D. Will

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Adjectives with -ED and -INGIf ConditionalsSentence Structure and Verb TensesPast Continuous vs Past SimpleGrammar for TOEFLPresent Simple & Present ContinuousComparative and Superlative AdjectivesIn/On/At + TimeIndefinite and Definite ArticlesGoing To Be and WillOther quiz:
Vocabulary › ViewMy mother spent the whole afternoon cleaning up the house. Now the house is ______.
A. potlessly clean
B. hopelessly clean
C. spotlessly clean
D. carelessly clean
Modal Verbs › View
Gary doesn’t speak clearly. I . . . . . hear his voice.
A. can
B. could
C. can’t
D. couldn’t