5) 1. are
2.is
6) 1.There were no children in the park
2.Are there many interesting book in our room?
7) 1.which
2.who
8) 1. I think, they will fly to London in five months.
2.I hope, your friends will give you good birthday gifts.
9) 1.by boat.
2.by train.
10) 1. I am in Pobeda Street, am not I?
2. The woman isn't in the park, is she?