[ 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:
Tag Question › ViewHany could ride a horse when she was six, ____?
A. couldn’t she
B. can she
C. could he
D. doesn’t she
Quantifiers › View
I have ______ money, but I could lend you some if you want.
A. little
B. a little
C. few
D. a few
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
