1/15
ruler
2/15
clock/watch
3/15
magazine
4/15
pencil sharpenener
5/15
chair
6/15
phone/telephone/cellphone (list all three as shown)
7/15
television
8/15
scissors
9/15
chalk
10/15
window
11/15
there is/there are
12/15
male student(2 ways list both)
13/15
female student(2 ways list both)
14/15
male teacher(2 ways list both)