Choose the correct forms of the verbs 1. bosphorus bridge connected/has connected east and west since 1983 2. thousands of animals lived/had lived in the valley by the time 3. they built /had built a huge bridge before we came to the village 4. when the man returned home his son has gone/ had gone to bed 5. the flat was very dirty , because nobody has cleaned / had cleaned it for a long time
1) connected
2) lived
3) had built
4) had gone
5) had cleaned