1/ The bag (be) _is_______ blue.
2/ The rocks (be) _are_______ hard.
3/ The children (be) __are______ young.
4/ Thomas (be) __is______ nice.
5/ The game (be) __is______ difficult.
6/ They (be) _are_______ tired.
7) I (be) __am______ thirty years old.
8) Susan and Juan (be) __are______ married.
9) Teddy (be) __is______ my friend.
10) We (be) _are_______ in English class.