治疗肾气虚型虚劳应选用
A．大补元煎
B．四君子汤
C．左归丸
D．右归丸
E．肾气丸
参考答案：A
Mr Green stood up in defence of the 16-year-old boy，saying that he was not the one _____. [ ]
A. blamed
B. blaming
C. to blame
D. to be blamed
—Has he ever to an English-speaking country?
—Yes,only once. He to America last year. [ ]
A. gone;have gone
B. come;went
C. been;went
D. went;have been .
