A.first；ninth　B.the first；the ninth
C.a first；a ninth　D.the second；the nineth
17.—What’s the date today？
—It’s______.
A.Friday　B.time to go　C.cloudy　D.June 4th
18.Jenny was born______.
A.on July 10，1987　B.in July 10，1987
C.in 1987，July 10　D.on 1987，July 10
19.About______of the books in our school library are written in Chinese.