[ 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

Random Topics:
Who am I?Present and Past Perfect TensesPassive Voice in Past Simple TenseInversions and SubjunctiveSimple Present - Negative & InterrogativeModal Verbs for Permission and ObligationFew, a few, little, a littlePassive Voice & TensesPast Simple VerbsInversion + Passive VoiceOther quiz:
Grammar and Vocabulary › ViewHelver didn’t ________ out on Friday night.
A. get
B. go
C. went
Grammar › View
He is rich _______________ not happy.
A. but
B. and
C. so
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
Grammar › View
This is my sister. ….. name is Lois.
A. Her
B. His
C. Hers
D. Its