6) were travelling
7) was playing
8) is
9) arrived
10) was reading
3
1) were having, rang
2) met, was working
3) left, was shining
4) were laughing, came
5) were sleeping, were watching
6) started, was coming
7) opened, was raining
8) was sunbathing, was swimming
9) heard, was talking
10) was taking, ate
11) was texting, arrived
12) broke, was skateboarding
13) was listening, was cooking
14) was driving, stopped
15) noticed, was watching
16) fell, was painting
17) were waiting, were surfing
18) became, was travelling
19) were you doing, heard
20) wasn't feeling, talked