[ Past Simple, Past Continuous, Past Perfect ]
We ______ with them on a few occasions.
A. collaborated
B. were collaborating

Random Topics:
Correlative Conjunction & Complex SentencesNoun and PronounGerunds as Objects of PrepositionsTenses and Verb FormsAdverb ClausesPast Tense and Past ContinuousSimple Present and Present ContinuosGrammar MistakesRelative Pronoun/AdverbsVocabulary : Coming & GoingOther quiz:
Vocabulary › ViewWhat does the word ‘sophisticated’ mean?
A. Diminished; all used up
B. Having worldly knowledge or refinement
C. Heavy and clumsy; bulky
D. Relating to a muscle spasm
Object Pronouns › View
The pencil is lost. I need ___ to write a sentence.
A. them
B. me
C. us
D. it
Grammar › ViewBuy
A. fishing
B. some new shoes
C. to the hospital
Vocabulary & Grammar › View
_____________ naming girls after flowers is becoming less common in my place.
A. It’s the custom that
B. According to tradition,
C. There is a tradition that
D. The custom of
