Bộ 20 đề ôn thi vào Chuyên Anh năm 2023 cực hay có lời giải (Đề 36)

________ he failed in the entrance exam caused his family much sadness. A. Which B. That C. The thing D. What

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________ he failed in the entrance exam caused his family much sadness.

Which

That

The thing

What

Giải thích

Chọn B