—Hi, Jack, there is ________ useful book on the desk. Whose book is it?— It belongs to my brother.A. a B. an C. the
I want to do ______ this summer.
—Can you write the number eighty-five thousand, six hundred and twenty-six? —Yes, it is .
These flowers ____ me twenty yuan.
Don’t ______ him. He is very happy now.
--_______may I keep this book? --For two weeks.