Réponses

2014-01-04T21:51:43+01:00
1. MUST 2. MUST 3. MUSTN'T 4. NEED TO 5. MUST
2014-01-05T00:03:14+01:00
1)must
2)need to
3)don't have to
4)needn't
5)have to

Cordialement.