15000 bài tập tách từ đề thi thử môn Tiếng Anh có đáp án (Phần 1)

The teacher has done his best to help all students. However, none of them made any effort on their part. A. The teacher has done his best to help all students, then, none of them made any ef

3862/5750

The teacher has done his best to help all students. However, none of them made any effort on their part.

The teacher has done his best to help all students, then, none of them made any effort on their part

Although the teacher has done his best to help all students, none of them made any effort on their part

Because the teacher has done his best to help all students, none of them made any effort on their part

If the teacher has done his best to help all students, none of them made any effort on their part

Giải thích

Đáp án B