Sắp xếp câu Tiếng Anh sau

Sắp xếp câu Tiếng Anh sau
1. What/expensive car
2. My brother /go/Ho Chi Minh city/since 2012
3. If/ you /work hard ,/you/pass /the exam
4. In the year 2030,/robot /be able to all/housework / instead of/ us