Uzupełnij poprawnie zdania używając napisanych wielkimi literami słów.

1. Running in the corridors is forbidden.
ALLOWED You ............... in the corridors.
2. Perhaps he took the train to work this morning.
MAY He .............. the train to work this morning.
3. It's possible that she has forgotten to call.
MAY She ........ to call.
4. It isn't necessary for you to work on Saturday.
HAVE You .......... on Saturday.
5. Let's have lunch in half an hour.
CAN We .......... in half an hour.
6. I advise you to open a bank account.
SHOULD You .......... a bank account .