U1:nose
how often look after stomach
exercise lifestyle tooth
skateboard grade throat
hardly better .
ever same
shop as
once different
twice difference
time unhealthy
surf yuck
internet maybe
program although
high school grandpa
most a lot of
no keep
result must
actice less
for U2:
as for matter
about have
junk cold
junk food have a cold
milk stomachache
coffee sore
chip back
cola arm
chocolate ear
drink eye
health foot
how many hand
interviewer head
habit leg
try mouth
of course ne
大哥,先给你俩单元的吧