[ Tenses ]
I ___ all morning, but I ___ all the units yet.
A. have been studying-didn’t finish
B. studied-hadn’t finished
C. have been studying-haven’t finished
Select your answer:
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Vocabulary & GrammarNoun, Quantifiers and SuffixesGerunds and TensesTypes of SentencesGrammar : Must (Necessity)First ConditionalVocabulary and PhrasesComparativeNoun FormationSentencesOther quiz:
Tenses › ViewThe greenhouse effect ____ rising temperatures today.
A. is causing
B. caused
C. causes
D. will cause
Grammar › View
Today ____ tuesday.
A. is
B. are
C. has
D. have