Помогите с тестом.
1.Selfish people only care about ... .
a. themselves
b. ourselves
c. themselfs
d. myself
2.You ... argue with the head teacher.
a. mustn`t
b. need to
c. can
d. must
3.They decided to travel by ... plane.
a. the
b. a
c. -
4.... Russian Federation is one of ... biggest country in ... world.
a. -,a,-
b. the, the, the
c. the, - ,the
d. a,a,a
e. -, the, the
5.He .... go to the cinema tomorrow.
a. need to
b. -
c. might
d. must
e. should