[ Past Tenses ]
We _____ (sit) at the breakfast table when the doorbell _____(ring).
A. sat/was ringing
B. were sitting / rang
C. was sitting/were ringing
D. sitting / rang

Random Topics:
Linking VerbClauses and GerundsDefinite ArticlesVerbs & Verb Tenseslike/do not likePossessive Nouns with Apostrophes and PronounsAdverbial Concession ClausesVocabulary and IdiomsNoun and Modal VerbsVerbs & Phrasal VerbsOther quiz:
Punctuation › ViewWhich word in this sentence needs a capital letter?
Have you ever visited the Okefenokee swamp?
A. you
B. visited
C. swamp
D. ever
Vocabulary › View
What ______ do you like to study?
I like to study English and Maths.
A. school
B. period
C. uniform
D. subject
Grammar › ViewHave you ______ had something bad happen to you?
A. ever
B. yet
C. never
D. already
Tenses › View
I always ……………. morning exercises and I often …………………..scientific books.
A. am doing / reading
B. did / read
C. do / read
D. will do / am reading