offices,it,the,is,of,a,front,buuiding,in把这些词连词成句

补充提：1、There are ( )places of interest in Beijing.(a?some?any?an?)

2、There （ )any cats in the room.(is?isn't?are?aren't?)

3、there,in,21,gilrls,Daming's,are,class把这些词连词成句

4、There are some dogs in the zoo(改成否定句）

1，SOME

2.IS

3.THERE ARE 21GIRLS IN DAMING"S CLASS.

4.There IS ANY dogs in the zoo