Unit
1
Good
friends
Unit
2
English
around
the
world
Unit
3
Going
places
Unit
4
Unforgettable
experiences
Unit
5
The
Silver
screen
Unit
6
Good
manners
Unit
7
Cultural
relics
Unit
8
Sports
Unit
9
Technology
Unit
10
The
world
around
us
Unit
11
The
sound
of
the
world
Unit
12
Art
and
literature
参考答案与点拨