С can не употребляется
в остальных предложениях to
Номер 3:
1) Is there a mirror in the bedroom? - Yes, there is.
2) Are there any books on the beds? - No, there aren't.
3) Are there any armchairs in the bedrooms? - No, there aren't.
4) Is there a wardrobe in the living room? - No, there isn't.
5) Are there any chairs in the kitchen? - Yes, there are.
41) B
42) A
43) C
44) B
45) D
46) A
47) B
48) C
49) B
50) D