[ Vocabulary ]
The test results were ____________, and further investigation was needed to determine the cause of the illness.
A. influential
B. exceptional
C. involuntary
D. inconclusive

Random Topics:
Grammar - direct/indirect objectsComparative AdverbsFigure of SpeechNouns FormationModal Verb in Passive VoiceFuture - Will and Be going toPast Simple TensesGrammar and PrepositionPresent and Past TenseBare Infinitive and To InfinitiveOther quiz:
Articles › ViewWe saw______eagle flying in the sky.
A. a
B. an
C. the
Grammar › View
The state of Maine is __________ the northeastern United States.
A. in
B. to
C. on
Preposition and Word Form › ViewThere are other problems of city life which I don’t propose to ____ at the moment.
A. go into
B. go around
C. go for
D. go up
Second Conditional › View
If I were rich…
A. I would buy many cars
B. I will buy many cars
C. I bought many cars
D. I would bought many cars
