Everyone was upset by the mysterious stranger – no one knew____he had come or____he was going to do.
A. which / when
B. how / why
C. that / how
D. that / how

Random Topics:
Comparison of Adjective and AdverbVerb FormIf ClausesTravel VocabularyPast, Present, FutureMixed ConditionalComparative & Superlative AdverbsNouns, Articles, DeterminersThird Grade ExamCompound AdjectivesOther quiz:
Passive Voice › ViewI couldn’t fly to Canada yesterday because all flights _____________ because of the fog.
A. were cancelled
B. was cancelled
C. is cancelling
D. cancelled
Grammar › View
Vocational education will help you gain the practical skills ______ knowledge necessary for a specific job.
A. but
B. or
C. and
D. nor
Simple Past Tense › ViewI ……………………. (walk) down the street at the moment I realized I ……………………. (not take) my keys.
A. was walking / didn’t take
B. walked / didn’t take
C. walked / wasn’t taking
D. was walking / wasn’t taking
E. were walking / weren’t taking
Adverbs of How Something is Done › View
Which adverb means to do something with attention to detail?
A. carefully
B. reluctantly
C. quietly
D. hastily