[ Past Tenses ]
While I _______ my English homework, my flatmate was sleeping.
A. did
B. was doing
C. had done
D. had been doing

Random Topics:
Grammar : Structural Common ErrorsPast Simple and Past ProgressiveGerund & InfinitiveSynonyms and VocabularySynonymModals for Ability, Possibility and PermissionPassive with ModalsIntermediate GrammarDefinite ArticlesMixed GrammarOther quiz:
Grammar › ViewWhat is the past participle of the verb “swim”?
A. swam
B. swum
C. swimmed
D. swam
Vocabulary and Grammar › View
We need to __________ the number of cars on the road to reduce pollution.
A. run out of
B. cut down on
C. get on with
D. take care of
Grammar › ViewI’m not as clever as you.
You’re more intelligent than me.
A. they mean the same
B. the meaning is different
Verb Tenses › View
Differentiate between the verb forms in the following sentence: “He (play) the guitar for two hours before he took a break.”
A. plays
B. played
C. was playing
D. had been playing
