[ 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 › ViewTim coughed to attract __________________ attention.
A. they
B. their
C. them
D. themselves
Grammar › View
What type of verb is the underlined verb?
Henry is a wonderful football player.
A. action verb
B. helping verb
C. linking verb
A knowledge of ______ can be a great help when you try to learn a foreign language.
A. hydrophobia
B. transmission
C. certitude
D. phonetics
Grammar › View
This is my sister. ….. name is Lois.
A. Her
B. His
C. Hers
D. Its
