1. My brother / go / Ho Chi Minh city / since 2012.
My brother has gone to Ho Chi Minh city since 2012.
2. If / you / work hard, you / pass / exam.
If you work hard, you will pass an exam.
3. In the year 2030 / robots / be able to do all / housework / instead of / us.
In the year 2030, robots will be able to do all the housework in stead of us.
STUDY WELL~