Câu hỏi:

17/06/2026 476

When mining for gold, you must first obtain the gold ore and then apart the gold from the ore. 

(A) When mining

(B) Must first

Đáp án chính xác

(C) And then

(D) Apart

Trả lời:

verified Giải bởi Vietjack

Đáp án B => must firstly

must + V nguyên thể, trước động từ obtain là trạng từ

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