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Positive hydrogen atoms attract negative oxygen atoms.
Question 1:
Positive hydrogen atoms attract negative oxygen atoms. / Negative hydrogen atoms ...................... to positive hydrogen atoms.
A.
attracted
B.
are attracted
C.
have attracted
These questions are from this test. Would you like to take a practice test?
Active and passive voice worksheet - Test 5 | Exercise follow Topic
26 minutes
13 questions
Do test
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