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

Random Topics:
ApologizingSimple vs Continuous Past TensePrepositions - ConjunctionsIndefinite PronounsSimple, Compound, Complex SentencesPast Tense and Perfect TensePrepositions and Prepositional PhrasesPoetryTenses and StructureSimple Present Tense vs Present Continuous TenseOther quiz:
Grammar › ViewWhen you _______________ at the party, who _______________ there?
A. were arriving – was being
B. arrived – were
C. arrived – was
Grammar › View
The Hadza are one of the …………. tribes in Africa.
A. eldest
B. older
C. oldest
D. elder
First & Second Conditional › ViewIf you ______ the job, you should tell her.
A. didn’t want
B. don’t want
C. won’t want
Grammar › View
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
