[ Present Perfect ]
Why ______ (Elena, not try) other treatments for her back pain?
A. has Elena not tried
B. did Elena not try
C. is Elena not trying
D. does Elena not try

Random Topics:
Present ProgressiveWestern Europe CountriesPresent Simple with Adverbs of FrequencyPronouns of QuantityAdjective ClauseComparativesParallelism and Subject Verb AgreementSimple Compound and Complex SentencesSimple Past Tense and Past Perfect TenseTAG QuestionsOther quiz:
Articles and Demonstratives › ViewIs there any milk left in _____ fridge?
A. an
B. a
C. this
D. the
Pronoun › View
Patrick drives ………………. to school. We like his bus.
A. Us
B. We
C. Our
D. Them
A: Why are you packing your suitcase?
B: I………………………..go on holiday.
A. am going to
B. will
C. going to
Grammar › View
Helen always ___ to the radio in the evening.
A. listened
B. is listening
C. listens
