[ Tenses ]
Robert _________up until he_________ his work.
A. will stay – will finish
B. had stayed – has finished
C. stayed – had finished
D. has stayed – has finished

Random Topics:
Lexico and GrammarMesopotamia VocabularyInfinitives and ING Forms-ing / InfinitiveNoun Clauses with THATPronouns ( Interrogative )Possessive Pronouns and QuantifiersPresent Simple or Present ContinuousReported Speech and Reported QuestionsGrammar: Imperative and Exclamatory SentencesOther quiz:
Modals › ViewIt wasn’t necessary to bring those books to class today.
A. You needn’t bring those books to class today.
B. You needn’t have brought those books to class today.
Correlative Conjunction › View
I love playing both violin ……. piano.
A. and
B. or
C. either
D. but also
E. neither
Definite Articles › View…. Nile is the longest river in Africa.
A. some
B. a
C. the
D. –
Present Perfect and Simple Past Tense › View
Husband: Can you pick me up some cheese?
Wife: I _________________ to the store today, and I don’t want to go back.
A. was
B. have already been
C. has been
