Вставьте в пропуски глаголы is/are.
the traffic_very heavy in this street. be careful at the corner. when the traffic-lights_red, don't cross the street.
the carrots__delicious.
i think this detailed research.
look out! the stairs_very old.
the police_responsible for these actions.
the knowledge she has got at college_very deep.
the grapes_ripe.
The traffic is very heavy in this street
Be careful at the corner. When the traffic-lights are red, don't cross the street
The carrots are delicious
Look out! The stairs are very old
The police is responsible for these actions
The knowledge she has got at college is very deep
The grapes are ripe