单项选择题
A. being of some use B. be of some use C. to be of some use D. of some use
The manager hoped to be（）of how our business was going ...
单项选择题The manager hoped to be（）of how our business was going on.
A. informed B. required C. warned D. suggested
No matter how frequently（）, the works of Beethoven alwa...
单项选择题No matter how frequently（）, the works of Beethoven always attract large audiences.
A. performing B. performed C. to be performed D. being performed
He is mentioned in the chapter and also in（）that procee...
单项选择题He is mentioned in the chapter and also in（）that proceeds.
A. the one B. it C. which D. what
