--Help ______ to some fish soup, children.

--Thank you.

[　　]

--How often do you go to see a doctor?

--______ a month.

[　　]

She usually ______ half an hour on her homework.

[　　]

I learn English by ______, and my twin brothers teach ______ Japanese.

[　　]

My teeth ache. I have to go ______.

[　　]

There are some differences ______ Lucy ______ lily, but only their parents know well.

[　　]

Please tell my father ______ himself.

[　　]

Renshen is an important ______ medicine.

[　　]

Eating ______ and doing more sports are good ways to keep SARS away from us.

[　　]