单项选择题
A.twelve years old B.twelve year old C.twelve-year-old D.twelve-years-old
In this factory each worker must receive a（）training co...
单项选择题In this factory each worker must receive a（）training course.
A.two-month B.twomonths C.two-months D.two-months‘
No one can possibly recall any detail about the meeting...
单项选择题No one can possibly recall any detail about the meeting. it is at least five years since it （）
A.had taken place B.was taken place C.tookplace D.was taking place
She has always（）to her father, although he did not grad...
单项选择题She has always（）to her father, although he did not graduate from a famous university.
A.appreciatedB.admiredC.respectedD.looked up
