[ 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:
Present Continuous › ViewHe………..for a walk now.
A. can
B. go
C. is going
D. are going
Grammar › View
Identify the simple subject in the sentence below.
Crabs often live in rock pools along the shore.
A. Crabs
B. rock
C. pools
D. shore
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
