第一组：
white chalk/tʃɔk/白色粉笔
great change
loud cheers
a good try
a good child

17'

a bit dry
a second choice
a black jacket
a good job
a big tree

15'

a hard journey
a fast train
a sweet dream
a cold drink

12'

第二组：
good morning
attend meetings
not mine
help me
don't know

15'

at noon
not now
odd numbers奇数
good night
quite near

14'

a loud noise
an important matter
A different meaning
good news
urgent needs     
a good memory

20'

第三组：
active blackboard
post-card
September
hard times
quite different

16'

wet ground
hot bed
take care
next door

11'

第四组：
old friends
step forward
bright future
first visit
just think

16'

take three
bright thought
just then
ask them
red stars

13'

first step
keep silent
folk songs
a big zoo
book shelves
don't shout
make sure
that chair

21'