500 bài viết lại câu ôn thi chuyên Tiếng Anh có đáp án cực hay (Phần 1)
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Immediately after his arrival home a water-heater exploded.

34/110

Immediately after his arrival home a water-heater exploded.

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Giải thích

→Hardly had he arrived home when a water-heater exploded.