Ответ:
Объяснение:
1. -/the (In summer we usually go to Poland and swim in the Baltic Sea.)
2. the/- (The Neman River is in Belarus.
)
3. -/the/the (London is the capital of the UK.)
4. -/- (Lake Ontario is in Canada.)
5. - (My school is in Golubeva Street.)
6. -/- (Italy is in Europe.)
7. - (Her office is in Grand Avenue.)