Multiple choice

Although early soap operas were first aired on evening radio in the 1920's, they had moved to the daytime hours of the 1930's when the evening schedule became crowded with comedians and variety shows.

  1. were first aired on evening radio in the 1920's, they had moved to the daytime hours of the 1930's

  2. were first aired on evening radio in the 1920's, they were moved to the daytime hours in the 1930's

  3. were aired first on evening radio in the 1920's, moving to the daytime hours in the 1930's

  4. were aired first in the evening on 1920's radio, they moved to the daytime hours of the 1930's
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Error of tense usage. 'Had' is generally used in past perfect tense (in active voice), which is not the case here. The second clause is the case of passive voice in past simple tense. Option 2 best expresses the same.

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