[ Grammar ]
George and his family _____ having a picnic when it began to rain.
A. is
B. are
C. was
D. were

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So, Such, Many, MuchVerbal TensesTo Infinitive or GerundGrammar - used toWill or Going toTransportation VocabularyVerb-ing and InfinitiveDirect and Indirect SpeechTenses, Tag Questions, Phrasal VerbsPresent Progressive or Present SimpleOther quiz:
Present Tenses › ViewThe cat ____________ (sleep) on the windowsill right now.
A. sleeps
B. is sleeping
C. has slept
Grammar › View
(Preposition) Reggie fell by the stairs.
A. stairs
B. Reggie
C. by
D. the