Complete the sentences with a, an or the where necessary

1. I saw .......... strange man outside
.......... school yesterday.
2. Tom has gone to .......... Costa del
Sol in ........... Spain on holiday.
3. Jane is going to see .......... doctor
on ........... Harley Street in ........
London next week.
4. I saw ........ documentary about .......
Mount Everest in ........ Himalayas.
5. .......... tiger is .......... endangered
animal, especially ....... Siberian tiger.
6. .......... group of celebrities walked
across part of ......... Sahara Desert
for charity.
7. Is...... Lake Como in ........ Italy?​