Topics: Past Simple, Past Continuous, Past Perfect
We ______ with them on a few occasions.
A. collaborated
B. were collaborating
Select your answer:

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Pronouns of QuantityIdiom and TensesContrastive ConjunctionVocab and GrammarOrdering AdjectivesAdjectives with -ED and -INGParallelism and Subject Verb AgreementSuffixes and TensesTime and CalendarAdverbs, Modals, Preposition of timeOther quiz:
Prepositions › ViewShe is always good ………………. telling funny stories.
A. at
B. for
C. in
Sentences vs Run-Ons › View
Which of the following is a complete sentence?
A. After the game ended.
B. The stars twinkled in the night sky.
C. When the phone rang.
D. If you are ready.
