Topics: Grammar and Vocabulary
The researchers ………………… many experiments to find the most effective materials.
A. considered
B. confirmed
C. concerned
D. conducted
Select your answer:
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Grammar › ViewWhich one of these is a declarative sentence?
A. I need you to get out of here!
B. Why won’t you stop whining?
C. Sit down.
D. I love climbing mountains.
Grammar › View
Find out the pair of words which is of opposites.
A. casual – informal
B. bliss – misery
C. attire – clothing
D. unison – harmony