1) Their goal is winning the first prize but that seems unreallistic

2) He made an effect to overcome difficulties by himself

từ overcome: vượt qua em viết sai chính tả nhé

difficulties là danh từ số nhiều nên k có an đằng trước nữa nhá

3) Tom made an attempt to persuade her parent to allow him to join the club but he failed

4) It 's amazing that Tom has ability to speak three foreign languages

language: ngôn ngữ. em chú ý chính tả

5) Her failure to obey the school rules made her parents upset very much

1. Their goal to win the first prize seems unreallistic.

2. He made an effort to overcome any difficulties by himself.

3. His attempt to persuade her parent to allow him to join the club failed.

4. Tom's ability to speak three foreign languages is amazing.

5. Her failure to obey the school rules upset her parents very much.