[ Grammar ]
We faced a ______ task.
A. challenge
B. challenging
C. challenged
D. challenger

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Quantifiers with NounsAdverbs and Adverbial PhrasesPast Simple & Past ContinuousParts of Speech and GrammarVerbs with Prepositions and ConjunctionsUse of Prepositions or ConjunctionsVerbal PhrasesGrammar - too & enoughConnectorsPast Progressive TenseOther quiz:
Homonyms › ViewThe tourist used a traveler’s ___ to pay for his souvenirs.
a. check
b. cheque
Grammar › View
FLOCK is a(n)
A. concrete noun
B. abstract noun
C. collective noun
D. adjective