[ Grammar ]
Most studies ____ that acupuncture does not reduce nausea and vomiting caused by radiation therapy.
A. are shown
B. were shown
C. have shown
D. have been shown

Random Topics:
Coordinating ConjunctionGrammar and Passive VoiceNoun and Modal VerbsSentences vs Run-OnsGrammar - Present Perfect with already, just, yetVocabulary : Coming & GoingPast and Past ContinuousPronouns of QuantitySimple Future - WillLet & Be allowed toOther quiz:
Vocabulary › ViewThe owners did not want strangers to pet their ______ dog because he was sometimes unpredictable.
A. cosmopolitan
B. novel
C. outlandish
D. temperamental
Tenses › View
The red roses _____ on the table.
A. were
B. was
C. is
D. are
Modal Auxiliaries and Similar Expressions › ViewYou ___ back up your data. The hard drive might fail soon.
A. may
B. had better
C. might
D. could
Grammar › View
Find the question
A. What is the tortoise doing?
B. Where is the bathroom
C. What is your dog’s name
D. Can I go to the baseball game
