Question 10. Thomas Edison was one of the _____ of the world.
A: great inventor
B: greatest inventor
C: greater inventors
D: greatest inventors
⇒ So sánh nhất
Question 16. Science and technology will bring a lot of benefits to people.
A: encouragement
B: drawbacks
C: advantages
D: supports
Question 23. Ba couldn’t do well in sciences at school.
A: Ba was unable do well in sciences at school.
B: Ba was unable to do well in sciences at school.
C:Ba was unable doing well in sciences at school.
D: Ba was able to do well in sciences at school.
Question 9. When he was ten, he set up a small laboratory after he _____a book his mother showed him.
A: had read
B: read
C: has read
D: reads