1 are
2 are
3 is
4 are
5 is
6 are
7 are
8 is
9 is
10 is
A bedroom
a pencilbox
a keyhole
a chairman
an armchair
a pancake
a seashell
a schoolboy
a newspaper
basketball
1 Having listened to the announcement the passangers went to Gate 4.
2 Having filled the immigration form we went through the security check.
3 They weighed our luggage putting it on the scales.
4 She waited in the departure lounge doing nothing.
5 Having reserved the ticked by phone I went to the travel agent`s.
9. 1. don't know
2. are you doing here; am waiting
3. Do you want
4. is having
5. are these boys talking
6. is drawing
7. is walking