=>

Bài 13/
1. using -> to use
2. better -> well
3. that -> who/whom
4. is -> was
Bài 14/
1. Unless Peter changes his ways of thinking, he will end up in prison.
2. I suggest speaking English in class.
3. Crew asked Captain Kirk which star they were travelling to.
4. The town where people can go and relax hasn't got any parks.
5. John suggested Barbara that she should put better lock on the door.
6. It would be beneficial to build a train system in the city.
7. In spite of having a good salary, he was unhappy in his job.
4. The teacher says that I am the noisiest student in the school.
1. Jeans are sold all over the world.
2. Mrs.Janet asked Tom to finish his report before leaving the office.
3. Although I like fish, I don't like catching them myself.

4. This is the first time I have visited England.

ℂ𝕙𝕠 𝕞𝕚̀𝕟𝕙 𝕩𝕚𝕟 𝟝* + 𝕔𝕒̉𝕞 𝕠̛𝕟 + 𝕔𝕒̂𝕦 𝕥𝕣𝕒̉ 𝕝𝕠̛̀𝕚 𝕙𝕒𝕪 𝕟𝕙𝕒̂́𝕥 𝕟𝕙𝕒 >~<

~ 𝓒𝓱𝓲𝓵𝓵 𝔀𝓲𝓽𝓱 𝓶𝓮 ~