We feel our duty to make our country a better place.
A. it B. this C. that D. one
_____is our belief that improvements in health care will lead to a stronger, more prosperous economy.
A.As B.That C.This D.It
—There is still a copy of the book in the library.Will you go and borrow_____?
—No,I’d rather buy_____in the bookstore.
A.it;one B.one;one C.one;it D.it;it
It is often________that human beings are naturally equipped to speak.
A.said B.to say C.saying D.being said
,please start the work tomorrow.
A.If you are convenient B.If it is convenient for you
C.If it is convenient of you D.If convenience
----Will you go to the party?
----Of course I will .
A.if invited B.if having invited C.if I was invited D.if I will be invited