[ Tenses ]
Karen / learn Spanish / two years / go to live in Argentina
A. Karen had been learning Spanish for two years when she went to live in Argentina.
B. Karen learned Spanish for two years when she went to live in Argentina.

Random Topics:
Adverbial PhrasesPast Simple Negative & QuestionsSentences vs Run-OnsHow many / How much - Is there / Are therePhrase or ClauseSimple Present VS Present ContinuousPresent Continuous TenseAdverbs of DegreeContrastive ConjunctionComparatives, Superlatives, and ModalsOther quiz:
Comparative & Superlative Adverbs › ViewYou’ll do this calculation _________________________ if you use a computer. (+ easy)
A. more easily
B. most easily
C. less easily
D. least easily
Modals of Obligation › View
You…. more careful!
A. ought be
B. should to be
C. ought to be
D. had better to be
Gerunds and Infinitives › View___________ what the song is like is important.
A. To imagine
B. Imagining
Gerund › View
The floor ___ by Helen looked very clean.
A. washed
B. washing
C. wash
D. washes
