20 câu Trắc nghiệm Tiếng Anh 12 Cánh diều Chuyên đề 11: Thì của động từ (Verb tenses)

His father______complete silence when he______ A. wants - is working B. is wanting - is working C. had wanted - was working D. has wanted - worked

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His father______complete silence when he______ 

wants - is working

is wanting - is working

had wanted - was working

has wanted - worked

Giải thích

Chọn đáp án A