The doctor did what he could _____ the dying man.
A. save B. to save C. saving
—A latest magazine, please.Only one left.
—Would you like to have ________?
A. it B. one C. this
We will have a _________ holiday after the exam.
A. two monthB. two-monthC. two month’s
—This is ________ book I’ve told you about several times.
—It’s great. I’ve never read________ more interesting one.
A. a; a B. the; the C. the; a
I don't know what I should do to help him.
A. how to do B. what to do C. what to do it