The writer can tell people ______.（   ）

A．story

B．storys

C．stories

How many ______ do you have? ( )

A．book

B．books

C．a book

I wear ________ and play outside in summer. （  ）

A．short

B．shorts

C．sweaters

They come from different  . (    )

A．country

B．countries

C．a country

按要求写单词。
【小题1】they（宾格）____________
【小题2】left（反义词）____________
【小题3】three（序数词）____________
【小题4】go（过去式）____________
【小题5】shop（动名词）____________
【小题6】second（基数词）____________
【小题7】south（反义词）____________
【小题8】grandma（对应词）____________
【小题9】policeman（复数）____________
【小题10】good（比较级）____________