a. has worked (если J. но если I, то - I have worked in York.)
b. have never jumped
c. hasn't tried
d. have never lived
e. haven't watched
f. has never visited
g. have enjoyed
h. haven't played
a. has worked (если J. но если I, то - I have worked in York.)
b. have never jumped
c. hasn't tried
d. have never lived
e. haven't watched
f. has never visited
g. have enjoyed
h. haven't played