[ Grammar ]
I was taking a photo of the bird __ it flew away.
A. when
B. while

Random Topics:
Countable & Noncountable NounsGrammar: Defining Relative ClausesPast Perfect Simple & ContinuousPresent Simple and Past ContinuousPassive Modals in Different TensesModal AuxiliaryConjunctions - Conjunctive AdverbsFuture FormsPast PerfectConstrative ConjunctionOther quiz:
Tenses and Verb Forms › View. Identify the Tense (Choose the correct option) 4. “By next year, she will have been working here for ten years.”
A. Simple Future
B. Future Continuous
C. Future Perfect
D. Future Perfect Continuous
Past Tenses › View
The man (get) out of the car, (lock) it and (come) into the building.
A. got- locked- come
B. got- lock- come
C. get- locked- come
D. got- locked- came
Grammar › ViewDo we ___________ pay for our drinks now?
A. have got to
B. have to
C. have
D. must
Conjunctions › View
Would you prefer ice- cream ________ sundae?
A. while
B. or
C. when
D. and
