She is always thinking more of herself, seldom, ________, offering to help others.
_____is our belief that improvements in health care will lead to a stronger, more prosperous economy.
—There is still a copy of the book in the library.Will you go and borrow_____? —No,I’d rather buy_____in the bookstore.
It is often________that human beings are naturally equipped to speak.
,please start the work tomorrow.
----Will you go to the party? ----Of course I will.