Réponse :
a. Andrew and you met (meet) at the beginning of
the school year? So it was a long time ago !
b. My best friend .came.. (come) back from holiday .1 week ago.
(last Thursday)
c. The last time it ..snowed. (snow), was ..a month ago
d. Barack Obama ..became. (become) the first African
American President of the United States 13 years ago
(in 2009).
e. The Great Exhibition ..took. (take) place in 1851,
almost . ..!
explication;