Common Error Detection - Study Mode

[#236] Find out whether there is any grammatical error in below sentence. Are you aware for along time that / by making me waiting / for a long time / my schedule is getting upset?
Correct Answer

(B) by making me waiting

Explanation

Solution: by making me wait

[#237] Find out whether there is any grammatical error in below sentence. Not only the judges acquited / him of all the charges / levelled against him, but / also commended all his actions.
Correct Answer

(A) Not only the judges acquited

Explanation

Solution: The judges not only acquitted

[#238] 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.
Correct Answer

(C) a working knowledge of

Explanation

Solution: the working knowledge of

[#239] Find out whether there is any grammatical error in below sentence. Even if the doctor / put in his best efforts, he / could not succeed in / saving the patient.
Correct Answer

(A) Even if the doctor

Explanation

Solution: Although the doctor

[#240] Find out whether there is any grammatical error in below sentence. The institute / imparts training / in / the French.
Correct Answer

(D) the French

Explanation

Solution: French