单项选择题
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
（）John could not pass the final exam was once believed ...
单项选择题（）John could not pass the final exam was once believed by all his roommates.
A. For B. It was C. That D. While
