A study shows that walking fast in your old age is a ______ that you will live a long life.
I'm sorry that you don't like the present, ________because I bought it________for your birthday.
I have been to many hotels but none of them can________this one for good service.
He________the old lady________buying the fake stamp.
These two are well________in strength.
At the________news, the________boy couldn't move or cry.