Topics: Word Formation
Prefixes added to the front of many words can produce an opposite meaning.
A. dis, non, in
B. un, in, de, dis, non
C. un, in
D. dis, non, de
Select your answer:

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Grammar › ViewIdentify the correct form of ‘who’s’ in the sentence: ‘Whose book is this on the table?’
A. who’s
B. whoes
C. whose
D. whos
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You ______ be more worried about your exams than you think.
A. might
B. couldn´t
