Topics: Dependent Preposition
The scientist based his findings ____ years of research.
A. on
B. at
C. in
D. for
Select your answer:

Random Topics:
Adverb ClausesPreposition of DirectionAdverbs of TimeSuperlative AdjectivesPast Tense & Past Continuous TenseNumbersProgressive TenseAdverbs & to beWH- Question WordsVerb Tenses and Sentence StructureOther quiz:
Passive with Modals › ViewThe book ____ in several languages next year.
A. will be published
B. will publish
C. published
D. is publishing
Conjunction › View
____ Briana ____Jane wanted to go with Billy to the dance so he went there on his own.
A. either … or
B. neither … nor
