Bộ 20 đề ôn thi Chuyên Anh năm 2023 (Đề 68)
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I don’t know what the matter with him is. He ____ (7. act) funny since you ____ (8. be) away.

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I don’t know what the matter with him is. He ____ (7. act) funny since you ____ (8. be) away.

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Giải thích

has acted/has been acting - were