[ Synonyms and Vocabulary ]
Scientists need to _______ their hypothesis through careful experimentation.
What is the best word to complete the sentence?
A. validate
B. maintain
C. minimize
D. suggest
Select your answer:
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Nouns › ViewWhich noun phrase is written correctly about the parents papers?
A. parents’ papers
B. parent’s papers
C. parents’s papers
Pronouns › View
The dog is active. _______ looks happy.
A. He
B. She
C. It
D. They