29．How many ____ are there in the room?

　A．boxes

　B．box

　C．boxs

　D．boxxes

28．Grade Three is divided into seven ____ in our school.

　A．class

　B．classes

　C．class's

　D．class'

27．There are seven ____ in a week.

　A．dayes

　B．days

　C．daies

　D．day

26．The old woman feeds four ____ .

　A．piggs

　B．piges

　C．pigs

　D．pig

25．Have you read ____ ?

　A．today's

　B．today paper

　C．the today's paper

　D．today's paper

24．Li Lei is a friend of ____ .

　A．I sister

　B．my sister's

　C．me sister

　D．my sister of

23．____ will conquer(征服) nature.

　A．The man

　B．A man

　C．The me

　D．Man

22．I won't go there with you, for I have a lot of ____ to do.

　A．works

　B．job

　C．work

　D．working

21．The day before yesterday she told me ____ news.

　A．a good

　B．such a good

　C．so good a

　D．a piece of good

20．In our school there are fifty-five ____ .

　A．women teachers

　B．woman teachers

　C．women teacher

　D．woman's teacher