[ Grammar and Vocabulary ]
The researchers ………………… many experiments to find the most effective materials.
A. considered
B. confirmed
C. concerned
D. conducted

Random Topics:
ConjunctionsPossessive Pronouns and Adjective PronounsObject PronounDefinite and Indefinite ArticleAdverbial Clauses of Reason / CauseSo or SuchThird ConditionalGrammar: is/are/was/wereUsed toAdverb of MannersOther quiz:
Unreal Conditionals › View____________________________ she would have purchased the book.
A. If she had money,
B. If she has had money,
C. If she had has money
D. If she had had money,
Vocabulary › View
Evaluate the following situation: A computer system is experiencing frequent crashes and errors. Which term best describes this situation?
A. disoriented
B. malfunction
C. irrational
D. illegible
Grammar › ViewI used __________________ basketball during my college years.
A. playing
B. to play
Loose vs. Lose › View
Your shoelaces are …
- loose
- lose
