[ Regular vs. Irregular Verb ]
eight _______ (elf)
A. Elves
B. Elfes
C. Elfs

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Grammar › ViewThe light ______ out while we were having tea.
A. was going
B. went
C. had gone
D. has gone
Vocabulary › View
Which sentence does NOT use “innovative” correctly?
A. He received a famous prize for his innovative scientific theories.
B. Our company will have to be innovative in order to compete in this ever-changing world.
C. Her ideas are so innovative. Everything she suggests has already been done a million times.
D. I appreciate your innovative ideas. Now let’s decide which new project we should do first.
A bomb scare ——————– a delay of the flight.
a) Caused
b) Cause
c) Was caused
d) Had caused
Vocabulary › View
Determine information about something
A. assess
B. complex
C. researchers
D. welfare