Odpowiedź :
Odpowiedź:
b) might not have noticed
c) needn't have gone to
d) must have borrowed
e) you might have backed
f) needn't have worried
g) couldn't have possibly opened
h) could have given
i) might have left
j) didn't have to wear
Wyjaśnienie:
B might not have noticed C needn’t have gone to D must have borrowed E you might have backed F needn’t have worried G couldn’t have possibly opened H could have given I might have left J didn’t have to wear