Trả lời:
1, People say that he was an excellent poet.
⇒ He is siad to be an excellent poet.
2, John isn’t intelligent, so he can’t do the test well.
⇒ If John is intelligent, he can do the test well.
3, If you want my opinion, it would be a good idea to stop eating so many sweets.
⇒ If I were you, I would stop eat so many sweets.
4, They are going to demolish the old hospital soon.
⇒ The old hospital is goinf to be demolished soon.
5, I’m sure it was Tom who cleared everything up.
⇒ Tom must cleared everything up, I'm sure.
$\text{Xin CTHN! Chúc bn hok tốt}$
$\text{#BTS}$