[单项选择]No matter how frequently ______, the works of Beethoven always attract large audiences.
A. performing
B. performed
C. to be performed
D. being performed

[填空题]No matter how frequently (perform)（）, the works of Beethoven always attract large audience.

[单项选择]No matter how frequently （）, the film always attracts large audiences.
A. showing
B. to be shown
C. shown
D. being shown

[单项选择]People’s status in society is frequently（）by how much they own.
A. measured
B. examined
C. tested
D. questioned

[填空题]How English Works
How English Works covers all the important elements of grammar for students of English as a foreign language, and many other topics which are often ignored. It is mainly designed for students working on their own, but can also be used in class. Unlike other grammars at this level, it is richly illustrated with drawings, cartoons, and graphs, and is printed in full colour. Many of the examples are real, and the exercises are of many different types.
Oxford Guide to English Grammar
The emphasis in this modern reference grammar is on meaning in the choice of grammatical pattern, and on the use of patterns in texts and conversations. Over fifty texts and dialogues, most from real sources, show patterns in context. There are also many real single-sentence examples.
The book is thorough in its coverage but pays most attention to points that are of practical importance to learners. Summaries at the beginning of ea

[填空题]No matter how frequently(perform) ______ , the works of Beethoven always attract large audiences.

[单项选择]It doesn’t matter when or how long a person sleeps, but everyone needs some rest to stay alive. That’s what all doctors’ thought, until they heard about Jercy Page. Jercy Page, it was said, never slept. Could this be true The doctors decided to see this strange man by themselves.
Jercy Page was ninety years old when the doctors came to his home in New Jersey. They thought for sure that he got some sleep of some kind. So they stayed with him and watched every movement he made. But they were surprised. Though they watched him hour after hour and day after day, they never saw Jercy Page sleeping. Actually, he did not even own a bed. He never needed one.
The only rest that Jercy Page got was sitting in a comfortable chair and reading newspapers. The doctors were puzzled by this strange continuous sleeplessness. They asked him many questions, hoping to find an answer. They found only one answer that might explain his condition. Page remembered some talk about his mother having bee

[单项选择]

It doesn’t matter when or how long a person sleeps, but everyone needs some rest to stay alive. That’s what all doctors’ thought, until they heard about Jercy Page. Jercy Page, it was said, never slept. Could this be true The doctors decided to see this strange man by themselves.
Jercy Page was ninety years old when the doctors came to his home in New Jersey. They thought for sure that he got some sleep of some kind. So they stayed with him and watched every movement he made. But they were surprised. Though they watched him hour after hour and day after day, they never saw Jercy Page sleeping. Actually, he did not even own a bed. He never needed one.
The only rest that Jercy Page got was sitting in a comfortable chair and reading newspapers. The doctors were puzzled by this strange continuous sleeplessness. They asked him many questions, hoping to find an answer. They found only one answer that might explain his condition. Page remembered some ta
A. needed some kind of sleep
B. was too old to need any sleep
C. needed no sleep at all
D. often slept in chair