Select the most appropriate option to fill in blank no. 4.
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. they arrived.
Context: Action of reaching the park is in past tense.
Meaning of the words:
they had arrive: Wrong verb form (“arrive” should be “arrived”).
they arrive: Present tense, incorrect.
they arrived: Simple past, correct.
they was arrive: Grammatically incorrect structure.
Correct word: They arrived
Reason: Matches past tense sequence and proper grammar.
Final sentence: As soon as they arrived at the park, Sarah spread the blanket on the green grass.
Hence, the chosen option is correct.