[ Present Perfect ]
How long ______ (Elena, have) chronic back pain?
A. has Elena had
B. did Elena have
C. has Elena been having
D. has Elena had

Random Topics:
AbilityAdverbs and PhrasesPrepositions of MovementTOEFLSimple Past TensePerfect and Past TensesGerund, Infinitive, Bare VerbSentence Structure and Grammar RulesDescribing WordsAdjective or AdverbOther quiz:
Grammar › ViewThere aren’t _____ stairs.
A. any
B. some
C. one
Grammar › View
Correct the following text by inserting one comma.
Venomous creatures use their toxins as a weapon and poisonous creatures use theirs to defend themselves.
A. Place a comma after the word “Venomous.”
B. Place a comma after the word “weapon.”
C. Place a comma after the word “toxins.”
D. Place a comma after the word “theirs.”
Grammar - TOEIC › ViewIn addition to __ new staff, everyone will be given new laptops.
A. hiring
B. hire
C. be hiring
Grammar › View
Choose the correct abstract noun from the given sentence,
” Honesty is the best policy”
A. Honesty
B. is
C. the best
D. policy
