[ 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:
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