Очень прошу помочь...

Test III
1) spoke
2) was reading, was surfing, opened, came
3) was, entered, had been waiting, was speaking
4) was doing, uploaded
5)tried
6) were walking, began
7) lifted, looked, was still snowing
8) was, were singing, were buzzing
9) was reading
10) arrived, had been

Test IV
1) broke, were watching
2)bought
3) found, was looking
4) went, was eating
5) was washing up, cut
6) were climbing up, began
7) went out, was laying
8) was, were sleeping, were shopping, were reading, was waiting
9) were picking, began, became
10) saw, were buying