'No sooner ... than' / 'Scarcely ... when' with inverted auxiliary

This type of question, asked 3 times: 14 Sep 2025 S2, 17 Sep 2025 S3, 23 Sep 2025 S1. All 3 questions below, oldest first.

Try each one first, then open its answer.

Question 1
14 Sep 2025 S2
82 $Select the correct option: Scarcely had the satellite deployed ___ it transmitted its first data packet.$
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Question 2
17 Sep 2025 S3
84 $Fill in the blank with the correct inversion structure: No sooner had he entered the room _____ the fire alarm went off.$
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Question 3
23 Sep 2025 S1
88 $Fill in the blank with the correct verb form: Scarcely had the CEO concluded her speech when the shareholders _____ to their feet.$
Tap an option to check your answer.

Question 1