[ Grammar ]
If customers lose their original warranty ____, they can download a new one from the website.
A. certify
B. certificate
C. certifiable
D. certifiably

Random Topics:
Grammar (Adjectives)Verbs + Gerund or InfinitivePresent ProgressivePresent Continuous for FuturePhrasal VerbsVocabulary, Grammar, SpellingFuture Tenses, Conditionals and ProfessionsIndefinite and Definite ArticlesModals of Obligation and PermissionDeterminersOther quiz:
Grammar › ViewWhy did you say “Yes” to his invitation?
You could have ….. “No”.
___
A. say
B. says
C. saying
D. said
Indefinite and Intensive Noun › View
I built this house _______.
A. itself
B. myself
C. yourselves
D. themselves