(Viên chức Mầm non) 5000+ câu trắc nghiệm Ngoại ngữ có đáp án - Unit 1
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I was alone in the house at that time because Mr. Jones________(work) in the garage and Mrs. Jones________(shop)

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I was alone in the house at that time because Mr. Jones________(work) in the garage and Mrs. Jones________(shop)

Giải thích

was working — was shopping