(Viên chức Mầm non) 30 đề ôn thi tiếng Anh có đáp án - Phần 16

_____________a little more hardworking, he would not have failed

5/30

_____________a little more hardworking, he would not have failed

If had Tom worked

Had Tom worked

Tom had worked

If were Tom working

Giải thích

Chọn đáp án B