Prefixes Exercises PDFSet 4: Mixed Prefix Practice: All Prefix Types
20 questions·15 min·Answers included·Explanations included
Preview: Questions
Fill in the blank with the correct option.
1.The contract was declared ___ because one party had not signed it.
a) disinvalidb) invalidc) uninvalidd) non-valid
2.The government plans to ___ the old railway line that was closed in the 1960s.
a) reopenb) preopenc) unopend) overopen
3.She is a very ___ person — you can always count on her to tell the truth.
a) dishonestb) unhonestc) mishonestd) honest
4.The new drug is still in ___ trials and has not yet been approved.
a) postclinicalb) subclinicalc) preclinicald) anticlinical
5.The politician's speech was full of ___ promises that he never kept.
a) unleadingb) misleadingc) disleadingd) preleading
... and 15 more questions in the PDF
Preview: Answers
1.invalid
2.reopen
3.honest
4.preclinical
5.misleading
... and 15 more answers in the PDF
Preview: Explanations
1."invalid"(b)
The adjective 'valid' takes in- to form its opposite: invalid (= not legally or officially acceptable). The contract lacked a required signature.
2."reopen"(a)
The prefix re- means 'again'. To reopen means to open again something that was previously closed.
3."honest"(d)
The sentence says 'you can always count on her to tell the truth', which is a positive statement. The correct answer is 'honest' (no prefix needed). 'Dishonest' would mean the opposite.
4."preclinical"(c)
The prefix pre- means 'before'. Preclinical trials happen before the clinical (human testing) phase of drug development.
5."misleading"(b)
The prefix mis- means 'wrongly'. Misleading means giving a false or wrong impression. The promises were deceptive because they were never fulfilled.
... and 15 more explanations in the PDF
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