'There is some evidence that using mouthwashes does have some clinical benefit in reducing levels of plaque - but only by a bit,' says Professor Damien Walmsley, scientific adviser to the British Dental Association.
They are helpful, they are never going to be a replacement for the mechanical action of a toothbrush for getting teeth and gums clean.'
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Answer:
C
Explanation:
The politician <u>refused</u><u> </u> to admit that we had done anything wrong.
Answer:
D. I see three new students on the roster: Brown, Brian; Jones, Janis; and Monroe, Max.
Explanation:
In this situation, due to commas using two functions may lead to confusion, a semicolon is used as a more powerful comma.
A does not use this, so <em>it could be misread easily</em>.
B puts the semicolon where only a comma could suffice, so <em>it separates the entity "Brown, Brian" and turns it into "Brown" "Brian, Jones"</em>.
C works correctly <em>until the oxford comma, which throws up the entity grouping</em>.
D is the only one that perfectly groups the three entities.
Answer hypothesis i believe