[ Grammar ]
choose the correct time tense for this sentence:
I was working on a summer camp when it happened.
A. simple present
B. present continuous
C. simple past
D. past continuous

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Cardiology ServicesGRAMMAR - Could / Could notSimple Compound and Complex SentencesPast, Present, FutureVerbal PhrasesCoordinating ConjunctionsCoordinating Conjunctions and Comparative AdjectivesModals and Past ModalsWill and Going toHave to/Has toOther quiz:
Present Perfect Negative and Interrogative › ViewAffirmative. I ______________ (have) (cook) dinner.
A. have cooked
B. had cook
C. has cooked
Modals › View
Why ____________ I go there now? It can wait a bit
A. can
B. should
C. ought
D. need
Vocabulary › Viewhang out (pv)
A. To spend time in a particular place or with someone
B. To dry clothes outside
C. To hang something on a wall
D. To hold something tightly
Present Tenses › View
The weather forecast is awful. It _______________ good for the picnic.
A. is not looking
B. doesn’t look
