[ Grammar ]
Do you think taking vitamin C helps you to ______ colds? What other things can people do to _____ catching colds?
A. avoid / prevent
B. prevent / avoid
C. stop / avoid
D. stop / prevent

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Grammar › ViewWhich of the following nouns below is a collective noun?
A. class
B. student
C. feather
D. doll
Grammar › View
I started the meeting by thanking everyone for their hard work. _____, I described our next project.
A. Following that
B. In contrast
Vocabulary › ViewA knowledge of ______ can be a great help when you try to learn a foreign language.
A. hydrophobia
B. transmission
C. certitude
D. phonetics
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This is my sister. ….. name is Lois.
A. Her
B. His
C. Hers
D. Its