词汇构造___
—- She’s our history teacher
Who is she___a teacher in a university, it is necessary to have at least a master’s degree
To become___all our efforts to save the school, the authorities decided to close it
Despite___at Harvard, he began again to write his essay
Busy as he was___by the look on her face, she didn't catch what I meant
Judging___evidence that Ianguage acquiring ability must be stimulated
There is___evidence that language acquiring ability must be stimulated
There being ___girl dressed black is her sister Rose
The; in___her and then try to copy what she does
Watch___his examination of the patinet, the doctor wrote out a prescription
Having finished___how little I had been able to accomplish, my fears of failure grew rapidly