5．
选择填空。
( ) 1、The music room is on___third floor.
A. the B. a C. an D. /
( ) 2、___ birds can fly but___fish can't.
A. The, / B. The, a C. /, a D. /, /
( ) 3、Her daughter studies in___university in_____England.
A. an, / B. a, / C. a, the D. the, the
( ) 4、You will find this story on___ seventieth page.
A. the B. a C. an D./
（ ）5、Here is ___ doctor I told you about.
A. the B. an C. / D. a
（ ）6、She came to Nanjing in___autumn of 1973.
A. the B. a C. an D./
（ ）7、Let's go and have ___ walk around ___ school.
A. the, a B. a, the C. the, the D. a, /
（ ）8、What do you usually do in___ class?
A. the B. an C. / D. these
（ ）9、There is ___ "u" in the word "umbrella".
A. the B. an C. / D. a
（ ）10、What ___ interesting cartoon !
A. an B. the C. a D./