While the band on the stage, the fans along. A. was performing - have sung B. was performing - were singing C. performed – sang D. performed - were singing

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While the band ______ on the stage, the fans ______ along.

was performing - have sung

was performing - were singing

performed – sang

performed - were singing

Giải thích

Hướng dẫn giải:

Đáp án đúng: B

Cấu trúc của thì quá khứ tiếp diễn: S + was/were + V-ing

Cách dùng của thì quá khứ tiếp diễn: Diễn tả hai hành động trong quá khứ xảy ra song song nhau.

Dịch nghĩa:Trong khi ban nhạc biểu diễn trên sân khấu, người hâm mộ đã hát theo.

While the band ______ on the stage, the fans ______ along. A. was performing - have sung B. was performing - were singing C. performed – sang D. performed - were singing