[ Tenses ]
They _____ (prepare) dinner when their guests arrived.
A. prepare
B. were preparing
C. have prepared

Random Topics:
Conditional SentenceModals and PrepositionGrammar and VocabularyConjunctions, Interjections and DeterminersPassive ModalsSecond and Third ConditionalDaily Routines & TensesTenses - Irregular VerbsPrepositions and Preposition PhrasesFamily VocabularyOther quiz:
Grammar › ViewIdentify the “complete” subjects in the sentence below?
The large fender of the bike next to mine is bent.
A. fender
B. The large fender of the bike next to mine
C. bike next to mine
Relative Clause › View
The family _____ car was stolen last week is the Smiths.
A. whose
B. who
C. which
D. whom