Sửa lỗi sai

1.Do you think robot teachers will replace human teachers by 20 years.
A
B
C
D
2. The man said that Nanolearning will make students' learning more entertaining.
A
B
3.A friend of my can not connect her phonr to the internet.
A
B
C
D
C
4. You can't go out to play before you will finish your homework.
A
B
C
D
D
5.Scientists are still wondering how many planets are there in our galaxy.
A
B
C
D
uitable word (1.25points)