[ Adverb of Frequency and Past Continuous Tense ]
As long as one group….dinner, the others were collecting woods for fire.
A. Was preparing
B. Is preparing
C. Preparing
D. Prepare

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Present Perfect Continuous TenseGrammar: MorphologyFinite and Non-Finite VerbGrammar & TensesPunctuationPlaces in TownQuantifiers and ArticlesAdjectives and ArticlesNeither/Either/All/NoneAdjective + to + VerbOther quiz:
Vocabulary › ViewThe customer service was ___________ in resolving the issue.
A. efficient
B. efficiently
C. efficiency
D. inefficiency
Phrasal Verb › View
The plan to demolish the old theatre came _______ a lot of criticism
A. Back
B. Up with
C. In for
D. Down