[ Past Tenses ]
They … (study) in the living room when Mom … (arrive).
A. studied, was arriving
B. were studying, was arriving
C. were studying, arrived
D. was studying, arrived

Random Topics:
Past simple vs Present perfectConjunctions and PrepositionVocabulary and GrammarTOEFLTensesGrammar - NounsPassive and Active VoiceArticle the or zero article (-)Present Perfect or Past SimpleGrammar / PronounsOther quiz:
Grammar › ViewWe………. visit our friends very often.
A. Not
B. Doesn’t
C. Don’t
Present Simple VS Continuous › View
DO, DOES, DON’T Y DOESN’T SE USAN EN
A. PRESENT SIMPLE CON ORACIONES AFIRMATIVAS
B. PRESENT CONTINUOUS
C. PRESENT SIMPLE CON ORACIONES NEGATIVAS E INTERROGATIVAS
D. PREGUNTAS EN PRESENT CONTINUOUS
Types of Simple Sentences › ViewStop, take your hands off of me!
A. declarative
B. imperative
C. interrogative
D. exclamatory
Vocabulary › View
integral means
A. innocent
B. necessary
C. inexpensive
D. inarticulate
