[ Verb Tenses ]
_____ with Dr. Browne since your project in 2018?
A. Do you collaborate
B. Had you collaborated
C. Have you collaborated
D. Are you collaborating
Random Topics:
Verbs and PrepositionsConjunctive AdverbsComplex Sentences with Adverb ClausesConjunctions, Interjections and DeterminersGrammar, adverbs of frequency placementPresent Progressive (Future)Verb FormComparatives, Superlatives & EquativesBasic GrammarTOEIC Grammar and Vocabulary ReviewOther quiz:
Vocabulary & Grammar › ViewIf we _________ (not/see) each other tomorrow, we will meet next week.
A. won’t see
B. don’t see
Connectives (because, due to, owing to, because of) › View
It was really scary on the roads this morning ____________ the rain and fog.
A. due to
B. because
Present Perfect vs Past Simple › ViewI haven’t seen my parents _____ last Christmas.
A. already
B. before
C. for
D. since
Prepositions › View
The children walked __ the park to get home quickly.
A. For
B. Through
C. By