The picnic was canceled due to the bad weather. → Because the _________________________________________________________

Because the weather was bad, the picnic was canceled.

Câu gốc: The picnic was canceled due to the bad weather. (Chuyến dã ngoại bị hủy bỏ do thời tiết xấu.)

Chuyển đổi từ cụm trạng ngữ chỉ nguyên nhân (due to + N) sang mệnh đề chỉ nguyên nhân (Because + S + V).

→ due to the bad weather = Because the weather was bad.

→ Viết lại: Because the weather was bad, the picnic was canceled.