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

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Give, do and makeMixed ConditionalsQuestion Tags in Verb TensesTime Clauses of FutureSimple Present and Present ContinuousRegular and Irregular VerbsPresent, Past, Present Perfect and ComparativePunctuationPresent / Future / Present Progressive / non Action VerbsFuture Tense VocabularyOther quiz:
Independent Clauses › ViewConnect the sentences using and, but, or or
There are anchovies on the pizza. I am still going to eat it.
A. or
B. but
C. and
D. none
Vocabulary › View
If you impugn someone in a statement, and then you find out that you were wrong, you might _____ your statement.
A. badger
B. implore
C. permeate
D. retract
