Раскройте скобки, поставьте глагол to be в нужную форму

1) The houses in this street (to be) very old.
2) These flowers (to be) very beautiful.
3) Paris (to be) the capital of France.
4) I (to be) interested in basketball.
5) It (to be) cold today.
6) You (to be) not afraid of dogs.
7) America (to be) a very big country.
8) Elephants (to be) big animals.
9) My sister Priscilla (to be) at home.
10)Marcello (not to be) interested in art.