12, C – would have come
13, D – was reading
14, D – What a lovely toy! Thanks.
15, C – of
16, A – the/ 0
17, B – depression
18, B – is spoken
19, C – studied
20, B – had done/ would be
21, B – Public schools.
22, C – communication
23, B – You are welcome
24, A – Thanks. That’s a nice compliment.
25, A – was walking
26, B – me for phoning not earlier.
27, B – fixing
28, B - whom