1、(1) her
(2) his
(3) Their
(4) my
(5) our
(6) Your
(7) its
2、 (1) These jeans are ours
(2) This is his pen.
(3) That birthciay gift is yours.
(4) These are their jackets.
3、C, D, B, E, A
4、 (1) comfortable
(2) frightening
(3) sipicy,delicious
(4) interesting,exciting
(5) tiring