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本讲为2006年下半年新的教学内容，请对照语法、教材、练习册听录音！
Unit 4
Text A
Slavery on our Doorstep
重点词语
I heard him singing.
I heard him sing.
I like dancing, but today I do not like to dance.
I you he she it we you they
Me you him her it us you them
My your his her its our your their
There is a little water in the bottle.
The holiday _being_ (be) over, we get down to work.
The __ (adj.)
