用正确的冠词填空,无需用冠词的填\

用正确的冠词填空,无需用冠词的填\
 

4.The ,the
5.the
6.an
7.The ,a
8.不填,the
9.a
10.不填,不填
11.the the
12.the
13.a ,a ,The,the
14.不填,不填
15.不填,不填an,
16.an The ,a ,a ,The
17.不填,the
18.a
19.the ,the
20.The,the