The ____ of some wild animals reminds us __ the problems on environment.
-- ________ do you hear from Karen this year? --Hardly ever.
Tina’s cousin is _______ violinist. He can play _______ violin very well.
— I plan to be the top student in our school this term.— .
I have a pair of gloves. One is on the bed. But I can’t find _________.
— _______the door, please. —Come in please. The door _______.