Giúp mik 
----- Nội dung dịch tự động từ ảnh -----
is only 200 dollars. It's the cheapestin our shop. (cheap)
Find the mistakes and correct:
1. A robot can builds houses, apartments and offices.
A
B C
D
2. Scientists are working on how to invent a intelligent robot.
A
B
C
D
3. The children can work in groups when they were at school yesterday.
A
B
C
D
4. Children couldn't stayed at home alone when they were 5 years old.
A
B
C
D
5. I don't agree of you that a robot will be able to understand
A
B
с
D
what people say.