Bộ 10 đề ôn thi học sinh giỏi Tiếng anh 9 năm 2023 có đáp án (Đề 6)

_________ at his lessons, still he couldn't catch up with his classmates. A. Hard as he was B. Hard as he does C. Hardly as he worked D. Hard as he worked

14/87

_________ at his lessons, still he couldn't catch up with his classmates.

Hard as he was

Hard as he does

Hardly as he worked

Hard as he worked

Giải thích

Chọn D