[ Vocabulary ]
Factories must ensure not to ______ their products with harmful chemicals.
A. Intimation
B. Adulterate
Select your answer:

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Present Tenses › ViewI _____ to Spain on holiday every year since 1987.
A. go
B. are going
C. have gone
D. have been going
Grammar › View
____________ are you today?
A. How
B. When
C. Why
