Which sentense is past continuous sentence?
A. Were you a student in 1999?
B. Were you watching TV at 7 o’clock?
C. Have you watched TV at 7 o’clock?
D. Are you watching TV at 7 o’clock?

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Helping and Linking VerbsGrammar (either..or.. and neither..nor..)Prepositions and Preposition PhrasesGrammar ElementaryFuture - Will and Be going toModals and VocabularyJobsTenses - Pasive VoiceGrammar for TOEFLPunctuationsOther quiz:
Adverbs › ViewHave you done your homework? – Yes, I’ve done it __________________ .
A. perfectly
B. now
C. perfect
D. yes
Tenses › View
How should the sentence “The Olympic Games started” be changed to report news?
A. “The Olympic Games starts.” (Incorrect)
B. “The Olympic Games have started.” (Present Perfect)
C. “The Olympic Games started just now.” (Past Simple)
D. “The Olympic Games are starting.” (Present Continuous)
Tenses › ViewWe __________ for nearly an hour when we realised that we were totally lost.
A. walked
B. had been walking
C. had walked
D. were walking
Adverbs › View
Which do you value ____ : wealth or health?
A. most
B. mostly