121、“中间人物”论是在( )提出的。

62、The way in which we use to develop a paragraph in chronological order is called “Development by ( ).”

61、“He likes smoking; his wife hates it.” is a ( ) sentence.

60、( ) means that only the necessary words are used.

59、There are four requirements for correct sentences: 1) it should be structurally complete; 2) it should begin with a capital letter; 3) it should end with a full stop, or a question mark, or an exclamation mark; 4)( ).

58、If we want to improve our writing, we must give special attention to the study of ( )

57、When we summarize, we usually use ( ).

56、The colon is used to (.

55、 ( ) should be used at the end of a title.

54、Topics are generally ( ).

53、“Lack of essential vitamins can result in serious illness.” If this is a topic sentence of a paragraph, the paragraph focuses on ( ).