III.Rewrite these sentences
16.I have never read this book before.
⇒It's the first time
17.I have never met such an intelligent student before.
⇒It's the first time
18.This is the first time my grandfather has been to hospital.
⇒My grandfather has
19.Tom has not had his hair cut for over 3 months.
⇒It's
20.I haven't enjoyed myself so much for years.
⇒It is
Loga
Sinh Học lớp 12
