[ Grammar ]
Katie was ironing while I ______ the floor.
A. was mopping
B. has been mopping
C. had been mopping
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Narrative TensesTo Infinitive or Bare InfinitiveModal Verb Gerund or To InfinitiveDegrees of ComparisonElectricity VocabularyFuture Tense VocabularyWh- Questions Present Simple TenseIdentifying Sentence TypesAdjective vs AdverbGerund & InfinitiveOther quiz:
Tenses › ViewIt _______ when we arrived at the airport.
A. rained
B. was raining
Grammar › View
. The students ____ their English homework last night.
A. did
B. do
C. does
D. doing
E. done
Grammar › ViewWhat word in the sentence below is an adverb?
The balloon flew high in the sky and popped.
A. balloon
B. flew
C. high
D. popped
Prepositions › View
I am not good ______ languages.
A. on
B. with
C. of
D. at