Question

d. By the time he was 14, Wolfgang Mozart ___________ (compose) an attractive number of musical pieces.

Answer 1

Answer:

Composed

By the time he was 14,wolf Mozart composed an attractive number of musical pieces

Explanation:

Answer 2

The answer is 'had composed.'

Past Perfect Tense

• Whenever two situations from the past are mentioned, the event that happened first takes the past perfect tense.

• An attractive number of songs were composed before he turned 14. Thus, the blank takes the past perfect form of 'compose.'

• Also, simple past tense has already been provided in the first half of the sentence. Thus, the second half should take the past perfect tense.