I.
1.B
2.C
3.B
4.A
5.D
6.C
7.A
8.C
9.B
10.C
II.
/s/:elephants, helps, works, ships
/z/:studies, givers, lions, bears, giraffes, balls, maths, pandas
/iz/:changes, washes, places
III.
1.is
2.Is
3.Are
4.are
5.is
6.are
7.is
8.are
9.Is
10.are
II.
1.There are a lot of vegetables and fruits on his farm.
2.My apartment has five rooms.