[ Gerunds ]
Authorities should warn people against _______ hazardous foods containing additives.
A. to be using
B. having used
C. using
D. being used produced

Random Topics:
Have vs. HasTransitionsGrammar - Punctuation of SentencesLinking VerbTime Clauses and ConjunctionsClauses-ing form and the to-infinitiveSimilesPerfect Tenses and VocabularyIntermediate GrammarOther quiz:
Grammar › View__________ do you go to the supermarket?
A. How much
B. How far
C. How often
D. How many
Grammar › View
His grandparents often …. him once in a month.
A. visits
B. visited
C. visit
D. is visits
