[ Past Perfect Tense ]
I went to bed after I ___________________ off the television.
A. had switch
B. switched
C. had switched
D. has switched

Random Topics:
Verb + Infinitive or GerundModal AuxiliariesPronouns/ Present TenseTime ConjunctionsAdverbial Concession ClausesModals in the PastTenses and ArticlesCommunicative GrammarDegree of ComparisonIn/On/At + TimeOther quiz:
Present Perfect Simple & Present Perfect Continuous › ViewNobody is here. They have ___ to find new species in the rainforest.
A. gone
B. been
C. going
Passive Voice of Tenses › View
Two hundreds of people ….. (employ) by the company last year.
A. are employed
B. have been employed
C. were employed
Vocabulary and Grammar › View. In America they use dollars, so make sure you _____ currency before leaving the UK.
A. exchange
B. arrange
C. hire
D. confirm
Grammar › View
Which word in the following sentence is conjunction?
Mike has a pet rabbit and a dog.
___
A. Mike
B. a
C. rabbit
D. and
