Mr. Smith, together with his wife and children, ____ (be) going to visit Beijing next year.
You'd better ask a ______, such as your aunt or sister, to look after your children while you are away.
I usually ____ ____with Liu Tao at weekends.
某同学牙龈经常出血，他平时应该注意常吃（ ）
不同地区的房屋特点，与当地的____和人们的____相适应。
