1 I saw / was seeing a brilliant advert while I was watching
TV this morning.
2 There's some / any paper on the teacher's desk.
3 Heathrow Airport in London is the bigger / biggest airport
in Europe.
4 He works for a / an organisation in Pakistan.
5 We got lost while we walked / were walking down the
mountain.
6 Lee doesn't have some / any friends.
7 'Have you got your boarding card?'
'Yes, but I can't find it her!'
8 I'm not as good / better at Maths as you.
9 Sam told / was telling a joke when the teacher came into
the classroom
10 Did you meet some / any actors after the performance?
1. saw
2. some
3. biggest
4. an
5. were walking
6. any
7. it
8. good
9. was telling
10. any