[ Mixed Tenses ]
What …. the difference between Present Simple and Present Perfect?
A. do
B. were
C. is
D. will
Select your answer:

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Grammar › Viewthe number we divide by
A. dividend
B. earthquake
C. divisor
D. quotient
Comparatives or Superlatives › View
the giraffe ___________ animal in the world
A. is the taller
B. are the taller
C. is the tallest
D. are the tallest