Réponse:
a) is waiting
b)flows
c)speaks
d)start
e) didn't usually enjoy---enjoyed
f) usually grow----- didn't grow
g)improves
h)is looking ------- stays
i)Always leaves
j)learn----- is teaching
k)flows
l)doesn't belong
m)need
n)believes
o)am thinking
p)can't remember
q)seems
r)didn't think-----use
s)have
t)prefer
u)will see