[ Grammar ]
Her children ____ their homework yet. They are still working on it.
A. has worked
B. is working
C. was working
D. worked

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Past Tense and Past ContinuousConjunctions & InterjectionsAdverbs of How Something is DoneThe First Conditional SentenceModals of ObligationConjunction: Because and SoPast Tense (Regular and Irregular)Simple Past ContinuosSimple PastGrammar: Defining Relative ClausesOther quiz:
Grammar › ViewHe ______ a teacher.
A. am
B. is
C. are
Conditionals III - Mixed 1st, 2nd & 3rd Conditionals › View
If you had taken my advice, you … in trouble.
A. shouldn’t have been
B. wouldn’t have been
C. couldn’t have been
D. wouldn’t be