Topics: Grammar and Vocabulary
Choose the answer which is OPPOSITE in meaning to the underlined words.
Several outbreaks of infection have been traced to contaminated food.
A. clean
B. dirty
C. polluted
D. poisonous
Select your answer:

Random Topics:
Linking Verbs & Helping VerbsMixed ConditionalsGrammar & VocabularyAdverbs of frequencyLanguage Features of an Opinion ArticleVerbs + Infinitives / GerundsPresent and Past Simple PassiveWill & Be going toGrammar - too & enoughBecause / soOther quiz:
Grammar › View– Are you going to John’s wedding ?
– I do not know, it ———–. I might take the exams that weekend.
A. is all depended
B. all is depending
C. all depends
D. all depend
Prepositions › View
I have to leave ___ work right now
A. to
B. in
C. for
