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English · Q439

Common Error Detection

Competitive Exams · English · question 439

Q439

Find out whether there is any grammatical error in below sentence. This book is / designed to increase / a working knowledge of / spoken and written English.

A.
This book is
B.
designed to increase
C.
a working knowledge of
Answer
D.
spoken and written English
E.
No error

Answer: Option C

Solution

Answer: Option C
Solution:
the working knowledge of
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