Bonjour pouvez vous m'aider merci

6) Entraine-toi et complète avec « for » ou « since»:
a)....................2010.
b)....................last Christmas.
c)....................last April.
d)....................for two years.
e)....................for six weeks.
f).....................since last month.

7. Même consigne avec des phrases complètes:

a) They've been playing chess......... three hours.

b) I've been doing my homework............... three pm.

c) It has been snowing ........ my father went to work

d) The children have been watching TV ............. hours and hours.