1.friend,for,she,what,best,buy,her,did 2.two,we,i
1.friend,for,she,what,best,buy,her,did
2.two,we,in,another,stayed,Beijing,for,days
3.ever,goes,sister,hardly,the,to,his,movies
4,exercise,of,many,do,percent,how,day,students,the,every