Multiple choice

Directions: Four parts of the sentences given below have been underlined. Identify the part having an error. If no part has an error, mark (E).

Discovery of the magnetic (A) effect of coils in the 19th century (B) had opened the realms of possibilities for the scientists to (C) try measuring an (D) electric current. (E) No error

  1. (A)

  2. (B)

  3. (C)

  4. (D)

  5. (E)
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The past perfect tense 'had opened' is incorrect here. The discovery and its effect (opening possibilities) happened in the same time period (19th century), so simple past 'opened' should be used instead of past perfect.

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