以下是该单元所有的单词和词组
how often
exercise
skateboard
hardly
ever
once
twice
time
surf
Internet
program
high school
result
for
as for
about
junk
junk food
milk
coffee
chip
cola
chocolate
drink
health
how many
interviwer
habit
try
of course
look after
lifestyle
grade
better
same
as
different
difference
unhealthy
maybe
although
for
grandpa
a lot of
keep
must
less
Katrina
can’t stand doing
go skateboarding
hardly ever
love doing
twice a week
once a month
Three times a week
Thanks for doing
every night
most students
four times a week
about twice a week
want sb to do
be good for
come home from school
eating habit
try to do
sleep nine hours
healthy lifestyle
help me get good grades
help me to study better
play ping-pong
keep in good health
