1had been waiting
2 was taking
3 had read
4 had been lying
5 contains
6 am waiting
7 has Professor D.delivering
8 finds
9 will rain
10 am coming
11 to have been disturbed
12 to do
13 by
14 about
15 on
1. I received your letter yesterday.
2. Last year my aunt worked in clothes business.
1 me
2 thought
3 people
4 was surprised
5 explained
6 first
7 less