In the past, the writer used _________ to write. (   )

A．pen and paper

B．a pen and paper

C．pens and papers

The lady usually drinks ______ in one day. (    )

A．eight cups of water

B．eight cup of water

C．eight cups of waters

选词填空。
A. carefully    B. answer C. housework    D. should E. take care of
【小题1】A good student _______ go to school on time.
【小题2】I should help my mum to do some ______ .
【小题3】We should listen _______ .
【小题4】My classmates _______ the teacher’ s question actively.
【小题5】I should _______ the younger pupils.

Horses eat ______. (   )

A．grass

B．grasses

C．grases

It’s _______.

A．twenty yuans

B．twenty’s yuan

C．twenty yuan

D．twentys yuan