aidez moi svp

Mettre in, at ou on

The meeting is … 10 o’clock
It’s … room 5.
Can you see me … Saturday
She has to write a report at the weekend
Do they have dinner … the evening.
We have got an extra english class … Wednesday afternoon.
Would you like to have a drink … Friday everning ?
I have to see the dentiste … the morning.
The plane leaves … 12.30 … night