XII. Read and write. 读一读,书写下列单词和词组。
difficult
healthy
bookshop
hill
air
wet
more
country
cut down
difficult
healthy
bookshop
hill
air
wet
more
country
cut down
答案
difficult
healthy
bookshop
hill
air
wet
more
country
cut down
healthy
bookshop
hill
air
wet
more
country
cut down
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