1 waited; arrived;
2 did he go; seen
3 phoned;
4talked; walked
5 Did she know; came
6 sat; arrived
7 met; shoped
8 arrived; left
9 made; didn't hear
10walked; started
11started;drove
12met;worked
14did she arrived
15broke;played
16didn't like; studied
17cutted; choped
18left
19drove
20did you do
21 went;staied