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1 had examined
2 remembered, had left
3 were, had passed
4 lay, had left
5 opened, looked, tried , had happened
6 saw, had traveled
7 came, had returned
8 visited, had lived
9 entred, had already begun
10 told, had received
11 had you worked , went
12 had known , visited
13 said, had got
14 wanted, had organized
15 didn't know, had attacked
16 was, had found
17 remembered, hadn't rung
18 reached, had made
19 had left , hurried
20 though, had quarreled