Bộ 10 đề ôn thi học sinh giỏi Tiếng anh lớp 9 năm 2023 có đáp án (Đề 1)

The beach was so crowded the other day that we_______ difficulty finding an empty spot. A. have B. have had C. had D. have been having

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The beach was so crowded the other day that we_______ difficulty finding an empty spot.

have

have had

had

have been having

Giải thích

Chọn C