[ Grammar ]
I ____ busy yesterday.
A. am
B. was
C. were
D. did

Random Topics:
Past form of ModalsPhrasal Verbs and Verb FormsModal and Auxiliary VerbsGerund, Infinitive, Bare VerbIf/Unless - Conditional type 1So - Too - Either - NeitherPhrasal Verb Put & GoQuantifiers: too many, too much & enoughModals and Active and Passive VoiceTOEIC Grammar and Vocabulary ReviewOther quiz:
Grammar › ViewOrganization is
A. the way words and phrases are used to tell the story
B. the format, structure, and timeline of the story
C. the key elements of the story and the details that support them
D. the use of proper spelling, punctuation, capitalization, and grammar
Grammar Pronoun and Singular Plural Noun › View
Which one is the correct plural form of potato?
A. potatos
B. potatoes
C. potatose