56.C。advice是不可数名词。

55.B。sign 此处意为“表示;手势”。

54.A。表示世上独一无二的头衔或职位的名词在句中用作同位语、补足语、表语时,其前通常不加冠词。

53.B。dress表示“衣服的总称”时,为不可数名词;表示“妇女或儿童的衣服” 时,为可数名词,故应加不定冠词。

52.B。two of us我们中的两人; the two of us 我们两人(强调一共两人)。

51.A。 I don’t know English. =I don’t know the English language.

100. She was so ill because of overwork that she had to leave her work half-done to ask for ____.

　　 A. a three day sick leave

　　 B. three-days sick leaves

　　 C. a sick leave of three days　

　　 D. three-day sick leaves

答案及简析：

99. ____ people have come to realize the importance of learning English. Now they go to various sorts of schools to take up English courses of one kind or another.

　　 A. Hundred and thousand　

　　 B. One hundred and thousand of

　　 C. A large amount of　

　　 D. Hundreds of thousands of

98. The airport is ____ from my hometown.

　　 A. two hour’s ride　　　　　　　　　　　 B. two hours’ ride

　　 C. two hour ride　　　　　　　　　　　　 D. two hours ride

97. You have missed ____ “n” in your spelling of ____ word “government”.

　　 A. an; a　　　　　　　　 B. an; the　　　　　 C. a; the　　　　 D. the; /