Закончите разделительные вопросы. 1. it gets dark very early in winter,…? 2. he has been in construction for many years,…? 3. builders construct residential and industrial buildings,…? 4. they sent a message to him yesterday,…? 5. prefabricated units are delivered to the construction site,…?

1 It gets dark very early in winter, doesn't it?
2 He has been in construction for many years, hasn't he?
3 Builders contruct residential and industrial buildings, don't they?
4 They sent a message to him yesterday, didn't they?
5 Prefabricated unites are delivered to the construction site , aren't they?