Topics: Past Tenses
I ___________ (hear) someone knocking on the door while I ___________ (watch) TV.
A. heard, was watching
B. heard, watched
C. was hearing, watched
D. heard, watches
Select your answer:

Random Topics:
Grammar - help/have/let/makeGerunds and ModalsHave to / Do not have toQuantifiers and AdjectivesTOEICPronoun-Verb AgreementSo - Too - Either - NeitherPassivisationMoods of GrammarGrammar - used toOther quiz:
Vocabulary and Grammar › ViewDon’t worry about trying to catch the last train home, as we can _____ you up for the night.
A. take
B. keep
C. put
D. set
Vocabulary › View
brag; show off
A. relent
B. sympathy
C. humble
D. boast
