[ Possessive Nouns with Apostrophes and Pronouns ]
Which of the following uses a possessive noun correctly?
A. The atom’s electrons are negatively charged.
B. The atoms electrons are negatively charged.
C. The atoms’ electrons are negatively charged.
D. The atom electrons are negatively charged.
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Grammar › ViewLook! The elephants_____.
A. fighting.
B. are fighting.
C. is fighting.
Grammar › View
Fill in the blank:
Dinosaurs existed at the beginning of time.
These times were called ___historic.
a. non-
b. pre-
c. un-
d. re-
The _______ zoo in Europe is in Berlin. There are about 3 million visitors every year.
A. busiest
B. busier
C. most busy
Synonyms and Vocabulary › View
We must sustain this level of performance.
What is the best synonym of the bolded word?
A. decrease
B. maintain
C. reduce
D. lower