[ 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:
Tenses › ViewHe______ for London one year ago.
A. left
B. has left
C. leaves
D. had left
Vocabulary › View
CUBE: I need one more cube.
A. Sharp thing used for joining things
B. solid square block
C. Tall cup with no saucer
D. Piece of stiff paper folded in half
Why 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
