C.What a pleasant surprise D. What pleasant surprise

②She looked up when I shouted.

A.in a surprise B.in the surprise C.in surprise D.in some surprise

其它例子：The gift came as a complete surprise to me. We have had some unpleasant surprise

③It is_____work of art that everyone wants to have a look at it.

A.so unusual B. such unusual C.such an unusual D.so an unusual

II. 名词的数

规则名词的复数形式：名词的复数形式，一般在单数形式后面加-s或-es(参看有关语法书)。英语里有些名词的复数形式是不规则的，请看下表

规 则例 词

1改变名词中的元音字母或其他形式man-men, woman-women, foot-feet, goose-geese, mouse-mice

2单复数相同sheep, deer, series, means, works, fish, species

3只有复数形式ashes, trousers, clothes, thanks, goods, glasses, compasses, contents

4一些集体名词总是用作复数people, police, cattle, staff

5部分集体名词既可以作单数(整体)也可以作复数(成员)audience, class, family, crowd, couple, group, committee, government, population, crew, team, public, enemy, party

6复数形式表示特别含义customs(海关), forces(军队), times(时代), spirits(情绪), drinks(饮料), sands(沙滩), papers(文件报纸), manners(礼貌), looks(外表), brains(头脑智力), greens(青菜), ruins(废墟)

7表示“某国人”加-sAmericans, Australians, Germans, Greeks, Swedes, Europeans

单复数同形Swiss, Portuguese, Chinese, Japanese

以-man或-woman结尾的改为-men,-womenEnglishmen, Frenchwomen

8合成名词将主体名词变为复数sons-in-law, lookers-on, passers-by, story-tellers, boy friends

无主体名词时将最后一部分变为复数grown-ups, housewives, stopwatches

将两部分变为复数women singers, men servants

III. 主谓一致

单数名词或代词动词不定式短语，动名词短语或从句作主语时，谓语动词一般用单数形式;主语为复数时，谓语动词

用复数形式。His father is working on the farm.

To study English well is not easy.

Reading in the sun is bad for your eyes.

What he said is very important for us all.

由what引导的主语从句，后面的谓语动词多数情况用单数形式，但若表语是复数或what从句是一个带有复数意义的并列结构时，主句的谓语动词用复数形式。

what I bought were three English books.

What I say and do is (are) helpful for you.