. Formulate past continuous tense: He (to read) a book when I called.
A. He is reading a book when I called.
B. He was read a book when I called.
C. He was reading a book when I called.
D. He read a book when I called.

Random Topics:
NounsGrammar - to be, possessive, have gotPresent / Future / Present Progressive / non Action VerbsGrammar - TOEICComparative Adjectives and AdverbsNoun / PronounInfinitive GerundGerund, Infinitive, Bare VerbAdjective or AdverbVerbs – Nouns – Adjectives - AdverbsOther quiz:
Tenses › ViewThe reports show that our sales have risen more than 29 percent since we _____the first posters with the golden nut.
A. hang
B. hanged
C. hung
D. have hung
Articles & Compound Nouns › View
If you want to see historical places, it is a good idea to go on a guided _______.
A. voyage
B. visit
C. tour
D. cruise
Unreal Conditionals › ViewIf you had come to classes more often, you __________ better in the exams.
A. had done
B. did
C. would have done
D. will do
Past Perfect vs Past Simple › View
She ______ (to watch) a video after the children ______ (to go) to bed.
A. had watched, had gone
B. watched, had gone
C. watched, went
D. had watched, went
