[ Conditional Tenses ]
I know you would be a happy person now if you ___ a major in chemistry when you were young.
A. had done
B. did
C. would have done
D. were doing

Random Topics:
Nouns FormationGender and GrammarMain Idea and Sentence StructureMoods of GrammarTenseAspect or tenses of VerbsFuture SimpleArticles & Compound NounsV-ing/to-VGrammar (Adjectives)Other quiz:
Grammar › ViewWho is the________man in the world
A. richest
B. most richest
C. most rich
Grammar › View
There’s _____ pollution in the river as it smells really bad.
A. much
B. many
C. a lot of
D. too many
