[ Subject-Verb Agreement ]
What (does, do) scientists know today about elements?
A. Does
B. Do

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Subject, Verb & Object Complement › ViewWe both hate waiting.
- subject complement
- verb complement
- object complement
Grammar › View
____________ unimportant assignment
A. a
B. an
First & Second Conditional › ViewIf you ______ the job, you should tell her.
A. didn’t want
B. don’t want
C. won’t want
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Identifying Active and Passive Voice: The popcorn, nachos, hot dogs, and sodas were dropped on the dusty baseball diamond by the child.
A. Active Voice
B. Passive Voice
