2 They work (a)   the tenth floor.

3 Ms. Cruz takes the train (a)   work.

4 It's (a)   18 Spencer Street

5 Jack studies French (a)   the BTI Institute

6 Mr. Klein works __/__ the hospital.

(a)  

7 Ms. Anderson's office is (a)   the fifth floor

8 Jason's sister works (a)   5 Main Street