第46页

信息发布者：
exam
flu 
available
until
hang
catch 
invite
accept 
refuse
exam
hung/hanged
caught
invited
refuse
prepare for
go to the/a doctor
have the flu
go to the party
another time
have an exam
not...until...
hang out
plan to do sth.
study for a math test
Can 
Sure
love 
to
isn't 
until 
Catch 
on 
Can 
Sorry
study 
for 
afraid 
have 
the 
flu
No
can't
Can 
available
must 
doctor
planning 
to 
do 
Are
free 
to 
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